Home / 13,350.02-20,024.82-3,489.89

Finding the Fourth Proportional to 13,350.02, 20,024.82 and 3,489.89

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Solution

The fourth proportional to 13,350.02, 20,024.82 and 3,489.89 is: 5,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.02 : 20,024.82 = 3,489.89 : x
  2. Step 2: Convert to fraction form
    13,350.02/20,024.82 = 3,489.89/x
  3. Step 3: Cross multiply
    13,350.02x = 20,024.82 × 3,489.89
  4. Step 4: Simplify right side
    13,350.02x = 69,884,318.95
  5. Step 5: Solve for x
    x = 69,884,318.95/13,350.02
  6. Step 6: Final answer
    x = 5,234.77

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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.