Home / 13,350.72-20,024.28-3,489.20

Finding the Fourth Proportional to 13,350.72, 20,024.28 and 3,489.20

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Solution

The fourth proportional to 13,350.72, 20,024.28 and 3,489.20 is: 5,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.72 : 20,024.28 = 3,489.20 : x
  2. Step 2: Convert to fraction form
    13,350.72/20,024.28 = 3,489.20/x
  3. Step 3: Cross multiply
    13,350.72x = 20,024.28 × 3,489.20
  4. Step 4: Simplify right side
    13,350.72x = 69,868,717.78
  5. Step 5: Solve for x
    x = 69,868,717.78/13,350.72
  6. Step 6: Final answer
    x = 5,233.33

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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.