Home / 18,801.26-25,938.88-11,247.81

Finding the Fourth Proportional to 18,801.26, 25,938.88 and 11,247.81

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Solution

The fourth proportional to 18,801.26, 25,938.88 and 11,247.81 is: 15,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.26 : 25,938.88 = 11,247.81 : x
  2. Step 2: Convert to fraction form
    18,801.26/25,938.88 = 11,247.81/x
  3. Step 3: Cross multiply
    18,801.26x = 25,938.88 × 11,247.81
  4. Step 4: Simplify right side
    18,801.26x = 291,755,565.73
  5. Step 5: Solve for x
    x = 291,755,565.73/18,801.26
  6. Step 6: Final answer
    x = 15,517.87

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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.