Home / 12,001.38-18,002.07-3,236.29

Finding the Fourth Proportional to 12,001.38, 18,002.07 and 3,236.29

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Solution

The fourth proportional to 12,001.38, 18,002.07 and 3,236.29 is: 4,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.38 : 18,002.07 = 3,236.29 : x
  2. Step 2: Convert to fraction form
    12,001.38/18,002.07 = 3,236.29/x
  3. Step 3: Cross multiply
    12,001.38x = 18,002.07 × 3,236.29
  4. Step 4: Simplify right side
    12,001.38x = 58,259,975.38
  5. Step 5: Solve for x
    x = 58,259,975.38/12,001.38
  6. Step 6: Final answer
    x = 4,854.44

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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.