Home / 22,935.38-31,650.87-13,381.83

Finding the Fourth Proportional to 22,935.38, 31,650.87 and 13,381.83

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Solution

The fourth proportional to 22,935.38, 31,650.87 and 13,381.83 is: 18,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.38 : 31,650.87 = 13,381.83 : x
  2. Step 2: Convert to fraction form
    22,935.38/31,650.87 = 13,381.83/x
  3. Step 3: Cross multiply
    22,935.38x = 31,650.87 × 13,381.83
  4. Step 4: Simplify right side
    22,935.38x = 423,546,611.87
  5. Step 5: Solve for x
    x = 423,546,611.87/22,935.38
  6. Step 6: Final answer
    x = 18,466.96

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Double scale
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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.