Home / 13,177.96-18,163.86-9,350.92

Finding the Fourth Proportional to 13,177.96, 18,163.86 and 9,350.92

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Solution

The fourth proportional to 13,177.96, 18,163.86 and 9,350.92 is: 12,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.96 : 18,163.86 = 9,350.92 : x
  2. Step 2: Convert to fraction form
    13,177.96/18,163.86 = 9,350.92/x
  3. Step 3: Cross multiply
    13,177.96x = 18,163.86 × 9,350.92
  4. Step 4: Simplify right side
    13,177.96x = 169,848,801.75
  5. Step 5: Solve for x
    x = 169,848,801.75/13,177.96
  6. Step 6: Final answer
    x = 12,888.85

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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.