Home / 12,114.39-18,171.59-3,794.48

Finding the Fourth Proportional to 12,114.39, 18,171.59 and 3,794.48

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Solution

The fourth proportional to 12,114.39, 18,171.59 and 3,794.48 is: 5,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.39 : 18,171.59 = 3,794.48 : x
  2. Step 2: Convert to fraction form
    12,114.39/18,171.59 = 3,794.48/x
  3. Step 3: Cross multiply
    12,114.39x = 18,171.59 × 3,794.48
  4. Step 4: Simplify right side
    12,114.39x = 68,951,624.99
  5. Step 5: Solve for x
    x = 68,951,624.99/12,114.39
  6. Step 6: Final answer
    x = 5,691.71

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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.