Home / 15,338.62-22,997.67-12,380.70

Finding the Fourth Proportional to 15,338.62, 22,997.67 and 12,380.70

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Solution

The fourth proportional to 15,338.62, 22,997.67 and 12,380.70 is: 18,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.62 : 22,997.67 = 12,380.70 : x
  2. Step 2: Convert to fraction form
    15,338.62/22,997.67 = 12,380.70/x
  3. Step 3: Cross multiply
    15,338.62x = 22,997.67 × 12,380.70
  4. Step 4: Simplify right side
    15,338.62x = 284,727,233.06
  5. Step 5: Solve for x
    x = 284,727,233.06/15,338.62
  6. Step 6: Final answer
    x = 18,562.77

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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.