Hello, HELP PLS PLS PLS

The answer would be B.

Step-by-step explanation:

1:?

4:12

?:27

If 4:12 is a ratio of 1:3 then we can assume that the other unknown numbers also use this same ratio. So the ratio for 1:? would be 1:3 and the ratio for ?:27 would be 9:27 bringing you back to the original ratio of 1:3

im pretty sure that the answer is b

Step-by-step explanation:

i am not 100 percent sure this is right