Home / 8,013.38-12,018.58-2,169.23

Finding the Fourth Proportional to 8,013.38, 12,018.58 and 2,169.23

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Solution

The fourth proportional to 8,013.38, 12,018.58 and 2,169.23 is: 3,253.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.38 : 12,018.58 = 2,169.23 : x
  2. Step 2: Convert to fraction form
    8,013.38/12,018.58 = 2,169.23/x
  3. Step 3: Cross multiply
    8,013.38x = 12,018.58 × 2,169.23
  4. Step 4: Simplify right side
    8,013.38x = 26,070,998.78
  5. Step 5: Solve for x
    x = 26,070,998.78/8,013.38
  6. Step 6: Final answer
    x = 3,253.44

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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.