Find the fourth proportion to 6,12,18  Choices:	A) 24	B) 12	C) 36	D) 8	E) 15
Explanation:   6:12 :: 18:x   =&gt; 6/12= 18/x   =&gt; x = 18*12/6   =&gt; x = 24   Answer:36
<result>C</result>
Find the fourth proportion to 6,12,18