Should there have been 12 admendments in the Bill of Rights

In 1789 Congress sent to the States 12 amendments to the States. Ten were ratified and became know as the Bill of rights. One was ratified in 1992..
Thus there is one proposed amendment still pending ratification.
Should this proposal be ratified???

Text
After the first enumeration required by the first article of the Constitution, there shall be one Representative for every thirty thousand, until the number shall amount to one hundred, after which the proportion shall be so regulated by Congress, that there shall be not less than one hundred Representatives, nor less than one Representative for every forty thousand persons, until the number of Representatives shall amount to two hundred; after which the proportion shall be so regulated by Congress, that there shall not be less than two hundred Representatives, nor more than one Representative for every fifty thousand persons.[2]