Home / 20,943.27-31,414.44-6,151.86

Finding the Fourth Proportional to 20,943.27, 31,414.44 and 6,151.86

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Solution

The fourth proportional to 20,943.27, 31,414.44 and 6,151.86 is: 9,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,943.27 : 31,414.44 = 6,151.86 : x
  2. Step 2: Convert to fraction form
    20,943.27/31,414.44 = 6,151.86/x
  3. Step 3: Cross multiply
    20,943.27x = 31,414.44 × 6,151.86
  4. Step 4: Simplify right side
    20,943.27x = 193,257,236.86
  5. Step 5: Solve for x
    x = 193,257,236.86/20,943.27
  6. Step 6: Final answer
    x = 9,227.65

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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.