Home / 10,240.22-14,131.28-5,702.87

Finding the Fourth Proportional to 10,240.22, 14,131.28 and 5,702.87

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Solution

The fourth proportional to 10,240.22, 14,131.28 and 5,702.87 is: 7,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.22 : 14,131.28 = 5,702.87 : x
  2. Step 2: Convert to fraction form
    10,240.22/14,131.28 = 5,702.87/x
  3. Step 3: Cross multiply
    10,240.22x = 14,131.28 × 5,702.87
  4. Step 4: Simplify right side
    10,240.22x = 80,588,753.60
  5. Step 5: Solve for x
    x = 80,588,753.60/10,240.22
  6. Step 6: Final answer
    x = 7,869.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.