Finding the Fourth Proportional to 14,842.08, 20,485.44 and 9,252
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Solution
The fourth proportional to 14,842.08, 20,485.44 and 9,252 is: 12,769.86
Step by Step Solution
- Step 1: Write the proportion equation
14,842.08 : 20,485.44 = 9,252 : x - Step 2: Convert to fraction form
14,842.08/20,485.44 = 9,252/x - Step 3: Cross multiply
14,842.08x = 20,485.44 × 9,252 - Step 4: Simplify right side
14,842.08x = 189,531,290.88 - Step 5: Solve for x
x = 189,531,290.88/14,842.08 - Step 6: Final answer
x = 12,769.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.