Home / 14,144.11-21,216.17-3,755.86

Finding the Fourth Proportional to 14,144.11, 21,216.17 and 3,755.86

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Solution

The fourth proportional to 14,144.11, 21,216.17 and 3,755.86 is: 5,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.11 : 21,216.17 = 3,755.86 : x
  2. Step 2: Convert to fraction form
    14,144.11/21,216.17 = 3,755.86/x
  3. Step 3: Cross multiply
    14,144.11x = 21,216.17 × 3,755.86
  4. Step 4: Simplify right side
    14,144.11x = 79,684,892.44
  5. Step 5: Solve for x
    x = 79,684,892.44/14,144.11
  6. Step 6: Final answer
    x = 5,633.79

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Half scale
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Double scale
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Similar ratio
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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.