Home / 13,190.92-18,201.16-7,600.84

Finding the Fourth Proportional to 13,190.92, 18,201.16 and 7,600.84

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Solution

The fourth proportional to 13,190.92, 18,201.16 and 7,600.84 is: 10,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.92 : 18,201.16 = 7,600.84 : x
  2. Step 2: Convert to fraction form
    13,190.92/18,201.16 = 7,600.84/x
  3. Step 3: Cross multiply
    13,190.92x = 18,201.16 × 7,600.84
  4. Step 4: Simplify right side
    13,190.92x = 138,344,104.97
  5. Step 5: Solve for x
    x = 138,344,104.97/13,190.92
  6. Step 6: Final answer
    x = 10,487.83

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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.