Home / 13,350.24-20,024.15-3,489.30

Finding the Fourth Proportional to 13,350.24, 20,024.15 and 3,489.30

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Solution

The fourth proportional to 13,350.24, 20,024.15 and 3,489.30 is: 5,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.24 : 20,024.15 = 3,489.30 : x
  2. Step 2: Convert to fraction form
    13,350.24/20,024.15 = 3,489.30/x
  3. Step 3: Cross multiply
    13,350.24x = 20,024.15 × 3,489.30
  4. Step 4: Simplify right side
    13,350.24x = 69,870,249.15
  5. Step 5: Solve for x
    x = 69,870,249.15/13,350.24
  6. Step 6: Final answer
    x = 5,233.63

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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.