Home / 12,425.29-18,637.93-8,517.85

Finding the Fourth Proportional to 12,425.29, 18,637.93 and 8,517.85

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Solution

The fourth proportional to 12,425.29, 18,637.93 and 8,517.85 is: 12,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.29 : 18,637.93 = 8,517.85 : x
  2. Step 2: Convert to fraction form
    12,425.29/18,637.93 = 8,517.85/x
  3. Step 3: Cross multiply
    12,425.29x = 18,637.93 × 8,517.85
  4. Step 4: Simplify right side
    12,425.29x = 158,755,092.05
  5. Step 5: Solve for x
    x = 158,755,092.05/12,425.29
  6. Step 6: Final answer
    x = 12,776.77

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.