Home / 18,446.38-25,456.01-10,489.09

Finding the Fourth Proportional to 18,446.38, 25,456.01 and 10,489.09

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Solution

The fourth proportional to 18,446.38, 25,456.01 and 10,489.09 is: 14,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.38 : 25,456.01 = 10,489.09 : x
  2. Step 2: Convert to fraction form
    18,446.38/25,456.01 = 10,489.09/x
  3. Step 3: Cross multiply
    18,446.38x = 25,456.01 × 10,489.09
  4. Step 4: Simplify right side
    18,446.38x = 267,010,327.49
  5. Step 5: Solve for x
    x = 267,010,327.49/18,446.38
  6. Step 6: Final answer
    x = 14,474.95

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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.