Home / 12,500.11-18,750.19-5,104.57

Finding the Fourth Proportional to 12,500.11, 18,750.19 and 5,104.57

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Solution

The fourth proportional to 12,500.11, 18,750.19 and 5,104.57 is: 7,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.11 : 18,750.19 = 5,104.57 : x
  2. Step 2: Convert to fraction form
    12,500.11/18,750.19 = 5,104.57/x
  3. Step 3: Cross multiply
    12,500.11x = 18,750.19 × 5,104.57
  4. Step 4: Simplify right side
    12,500.11x = 95,711,735.04
  5. Step 5: Solve for x
    x = 95,711,735.04/12,500.11
  6. Step 6: Final answer
    x = 7,656.87

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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.