Home / 10,279.92-15,425.16-4,360.86

Finding the Fourth Proportional to 10,279.92, 15,425.16 and 4,360.86

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Solution

The fourth proportional to 10,279.92, 15,425.16 and 4,360.86 is: 6,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.92 : 15,425.16 = 4,360.86 : x
  2. Step 2: Convert to fraction form
    10,279.92/15,425.16 = 4,360.86/x
  3. Step 3: Cross multiply
    10,279.92x = 15,425.16 × 4,360.86
  4. Step 4: Simplify right side
    10,279.92x = 67,266,963.24
  5. Step 5: Solve for x
    x = 67,266,963.24/10,279.92
  6. Step 6: Final answer
    x = 6,543.53

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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.