Home / 9,091.36-12,553.13-7,098.42

Finding the Fourth Proportional to 9,091.36, 12,553.13 and 7,098.42

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Solution

The fourth proportional to 9,091.36, 12,553.13 and 7,098.42 is: 9,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.36 : 12,553.13 = 7,098.42 : x
  2. Step 2: Convert to fraction form
    9,091.36/12,553.13 = 7,098.42/x
  3. Step 3: Cross multiply
    9,091.36x = 12,553.13 × 7,098.42
  4. Step 4: Simplify right side
    9,091.36x = 89,107,353.56
  5. Step 5: Solve for x
    x = 89,107,353.56/9,091.36
  6. Step 6: Final answer
    x = 9,801.33

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.