Finding the Fourth Proportional to 13,668.52, 20,506 and 4,434.52
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Solution
The fourth proportional to 13,668.52, 20,506 and 4,434.52 is: 6,652.82
Step by Step Solution
- Step 1: Write the proportion equation
13,668.52 : 20,506 = 4,434.52 : x - Step 2: Convert to fraction form
13,668.52/20,506 = 4,434.52/x - Step 3: Cross multiply
13,668.52x = 20,506 × 4,434.52 - Step 4: Simplify right side
13,668.52x = 90,934,267.12 - Step 5: Solve for x
x = 90,934,267.12/13,668.52 - Step 6: Final answer
x = 6,652.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.