Home / 18,429.24-25,414.46-11,703

Finding the Fourth Proportional to 18,429.24, 25,414.46 and 11,703

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Solution

The fourth proportional to 18,429.24, 25,414.46 and 11,703 is: 16,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.24 : 25,414.46 = 11,703 : x
  2. Step 2: Convert to fraction form
    18,429.24/25,414.46 = 11,703/x
  3. Step 3: Cross multiply
    18,429.24x = 25,414.46 × 11,703
  4. Step 4: Simplify right side
    18,429.24x = 297,425,425.38
  5. Step 5: Solve for x
    x = 297,425,425.38/18,429.24
  6. Step 6: Final answer
    x = 16,138.78

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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.