Home / 17,878.46-24,674.10-9,920.73

Finding the Fourth Proportional to 17,878.46, 24,674.10 and 9,920.73

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Solution

The fourth proportional to 17,878.46, 24,674.10 and 9,920.73 is: 13,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878.46 : 24,674.10 = 9,920.73 : x
  2. Step 2: Convert to fraction form
    17,878.46/24,674.10 = 9,920.73/x
  3. Step 3: Cross multiply
    17,878.46x = 24,674.10 × 9,920.73
  4. Step 4: Simplify right side
    17,878.46x = 244,785,084.09
  5. Step 5: Solve for x
    x = 244,785,084.09/17,878.46
  6. Step 6: Final answer
    x = 13,691.62

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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.