Home / 14,153.38-21,230.10-3,765.13

Finding the Fourth Proportional to 14,153.38, 21,230.10 and 3,765.13

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Solution

The fourth proportional to 14,153.38, 21,230.10 and 3,765.13 is: 5,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.38 : 21,230.10 = 3,765.13 : x
  2. Step 2: Convert to fraction form
    14,153.38/21,230.10 = 3,765.13/x
  3. Step 3: Cross multiply
    14,153.38x = 21,230.10 × 3,765.13
  4. Step 4: Simplify right side
    14,153.38x = 79,934,086.41
  5. Step 5: Solve for x
    x = 79,934,086.41/14,153.38
  6. Step 6: Final answer
    x = 5,647.70

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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.