Question

Can someone explain proportions in math to me and help me through these two problems? I need to be able to write a true proprtion for each and i havent a clue how to even start!
a) 3;20;12;5
b) 4;36;6;24
Thank You

Answer 1

Answer:

First observe that is there any number which can divide all the given no which is going to proportion and then divide all by that no.

As let us take first all no are not divisble by any same no so proportion is the same no

And in ii 2 can divide so we get 2;18;3;12