Home / 15,781.11-23,675.79-5,920.58

Finding the Fourth Proportional to 15,781.11, 23,675.79 and 5,920.58

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Solution

The fourth proportional to 15,781.11, 23,675.79 and 5,920.58 is: 8,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.11 : 23,675.79 = 5,920.58 : x
  2. Step 2: Convert to fraction form
    15,781.11/23,675.79 = 5,920.58/x
  3. Step 3: Cross multiply
    15,781.11x = 23,675.79 × 5,920.58
  4. Step 4: Simplify right side
    15,781.11x = 140,174,290.38
  5. Step 5: Solve for x
    x = 140,174,290.38/15,781.11
  6. Step 6: Final answer
    x = 8,882.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.