Home / 13,350.71-20,025.85-5,451.49

Finding the Fourth Proportional to 13,350.71, 20,025.85 and 5,451.49

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Solution

The fourth proportional to 13,350.71, 20,025.85 and 5,451.49 is: 8,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.71 : 20,025.85 = 5,451.49 : x
  2. Step 2: Convert to fraction form
    13,350.71/20,025.85 = 5,451.49/x
  3. Step 3: Cross multiply
    13,350.71x = 20,025.85 × 5,451.49
  4. Step 4: Simplify right side
    13,350.71x = 109,170,721.02
  5. Step 5: Solve for x
    x = 109,170,721.02/13,350.71
  6. Step 6: Final answer
    x = 8,177.15

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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.