Home / 10,702.86-16,079.25-9,431.82

Finding the Fourth Proportional to 10,702.86, 16,079.25 and 9,431.82

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Solution

The fourth proportional to 10,702.86, 16,079.25 and 9,431.82 is: 14,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.86 : 16,079.25 = 9,431.82 : x
  2. Step 2: Convert to fraction form
    10,702.86/16,079.25 = 9,431.82/x
  3. Step 3: Cross multiply
    10,702.86x = 16,079.25 × 9,431.82
  4. Step 4: Simplify right side
    10,702.86x = 151,656,591.74
  5. Step 5: Solve for x
    x = 151,656,591.74/10,702.86
  6. Step 6: Final answer
    x = 14,169.73

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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.