Home / 18,397.98-25,414.83-17,715.24

Finding the Fourth Proportional to 18,397.98, 25,414.83 and 17,715.24

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Solution

The fourth proportional to 18,397.98, 25,414.83 and 17,715.24 is: 24,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.98 : 25,414.83 = 17,715.24 : x
  2. Step 2: Convert to fraction form
    18,397.98/25,414.83 = 17,715.24/x
  3. Step 3: Cross multiply
    18,397.98x = 25,414.83 × 17,715.24
  4. Step 4: Simplify right side
    18,397.98x = 450,229,813.01
  5. Step 5: Solve for x
    x = 450,229,813.01/18,397.98
  6. Step 6: Final answer
    x = 24,471.70

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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.