Home / 18,204.28-25,114.22-11,487.48

Finding the Fourth Proportional to 18,204.28, 25,114.22 and 11,487.48

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Solution

The fourth proportional to 18,204.28, 25,114.22 and 11,487.48 is: 15,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.28 : 25,114.22 = 11,487.48 : x
  2. Step 2: Convert to fraction form
    18,204.28/25,114.22 = 11,487.48/x
  3. Step 3: Cross multiply
    18,204.28x = 25,114.22 × 11,487.48
  4. Step 4: Simplify right side
    18,204.28x = 288,499,099.97
  5. Step 5: Solve for x
    x = 288,499,099.97/18,204.28
  6. Step 6: Final answer
    x = 15,847.87

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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.