Home / 13,177.92-18,183.24-7,587.84

Finding the Fourth Proportional to 13,177.92, 18,183.24 and 7,587.84

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Solution

The fourth proportional to 13,177.92, 18,183.24 and 7,587.84 is: 10,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.92 : 18,183.24 = 7,587.84 : x
  2. Step 2: Convert to fraction form
    13,177.92/18,183.24 = 7,587.84/x
  3. Step 3: Cross multiply
    13,177.92x = 18,183.24 × 7,587.84
  4. Step 4: Simplify right side
    13,177.92x = 137,971,515.80
  5. Step 5: Solve for x
    x = 137,971,515.80/13,177.92
  6. Step 6: Final answer
    x = 10,469.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.