Home / 12,737.15-17,572.44-9,387.97

Finding the Fourth Proportional to 12,737.15, 17,572.44 and 9,387.97

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Solution

The fourth proportional to 12,737.15, 17,572.44 and 9,387.97 is: 12,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.15 : 17,572.44 = 9,387.97 : x
  2. Step 2: Convert to fraction form
    12,737.15/17,572.44 = 9,387.97/x
  3. Step 3: Cross multiply
    12,737.15x = 17,572.44 × 9,387.97
  4. Step 4: Simplify right side
    12,737.15x = 164,969,530.82
  5. Step 5: Solve for x
    x = 164,969,530.82/12,737.15
  6. Step 6: Final answer
    x = 12,951.84

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1.5x scale

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.