Home / 18,834.30-25,982.10-12,472.56

Finding the Fourth Proportional to 18,834.30, 25,982.10 and 12,472.56

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Solution

The fourth proportional to 18,834.30, 25,982.10 and 12,472.56 is: 17,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.30 : 25,982.10 = 12,472.56 : x
  2. Step 2: Convert to fraction form
    18,834.30/25,982.10 = 12,472.56/x
  3. Step 3: Cross multiply
    18,834.30x = 25,982.10 × 12,472.56
  4. Step 4: Simplify right side
    18,834.30x = 324,063,301.18
  5. Step 5: Solve for x
    x = 324,063,301.18/18,834.30
  6. Step 6: Final answer
    x = 17,206.02

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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.