Home / 17,939.05-24,761.40-11,565.65

Finding the Fourth Proportional to 17,939.05, 24,761.40 and 11,565.65

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Solution

The fourth proportional to 17,939.05, 24,761.40 and 11,565.65 is: 15,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.05 : 24,761.40 = 11,565.65 : x
  2. Step 2: Convert to fraction form
    17,939.05/24,761.40 = 11,565.65/x
  3. Step 3: Cross multiply
    17,939.05x = 24,761.40 × 11,565.65
  4. Step 4: Simplify right side
    17,939.05x = 286,381,704.44
  5. Step 5: Solve for x
    x = 286,381,704.44/17,939.05
  6. Step 6: Final answer
    x = 15,964.15

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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.