Home / 14,340.38-19,781.15-9,025.97

Finding the Fourth Proportional to 14,340.38, 19,781.15 and 9,025.97

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Solution

The fourth proportional to 14,340.38, 19,781.15 and 9,025.97 is: 12,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.38 : 19,781.15 = 9,025.97 : x
  2. Step 2: Convert to fraction form
    14,340.38/19,781.15 = 9,025.97/x
  3. Step 3: Cross multiply
    14,340.38x = 19,781.15 × 9,025.97
  4. Step 4: Simplify right side
    14,340.38x = 178,543,922.43
  5. Step 5: Solve for x
    x = 178,543,922.43/14,340.38
  6. Step 6: Final answer
    x = 12,450.44

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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.