Home / 20,167.67-30,244.17-7,691.15

Finding the Fourth Proportional to 20,167.67, 30,244.17 and 7,691.15

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Solution

The fourth proportional to 20,167.67, 30,244.17 and 7,691.15 is: 11,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.67 : 30,244.17 = 7,691.15 : x
  2. Step 2: Convert to fraction form
    20,167.67/30,244.17 = 7,691.15/x
  3. Step 3: Cross multiply
    20,167.67x = 30,244.17 × 7,691.15
  4. Step 4: Simplify right side
    20,167.67x = 232,612,448.10
  5. Step 5: Solve for x
    x = 232,612,448.10/20,167.67
  6. Step 6: Final answer
    x = 11,533.93

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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.