Finding the Fourth Proportional to 14,789.28, 22,055.64 and 12,612
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Solution
The fourth proportional to 14,789.28, 22,055.64 and 12,612 is: 18,808.61
Step by Step Solution
- Step 1: Write the proportion equation
14,789.28 : 22,055.64 = 12,612 : x - Step 2: Convert to fraction form
14,789.28/22,055.64 = 12,612/x - Step 3: Cross multiply
14,789.28x = 22,055.64 × 12,612 - Step 4: Simplify right side
14,789.28x = 278,165,731.68 - Step 5: Solve for x
x = 278,165,731.68/14,789.28 - Step 6: Final answer
x = 18,808.61
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.