Home / 13,422.68-20,132.47-3,562.73

Finding the Fourth Proportional to 13,422.68, 20,132.47 and 3,562.73

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Solution

The fourth proportional to 13,422.68, 20,132.47 and 3,562.73 is: 5,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422.68 : 20,132.47 = 3,562.73 : x
  2. Step 2: Convert to fraction form
    13,422.68/20,132.47 = 3,562.73/x
  3. Step 3: Cross multiply
    13,422.68x = 20,132.47 × 3,562.73
  4. Step 4: Simplify right side
    13,422.68x = 71,726,537.03
  5. Step 5: Solve for x
    x = 71,726,537.03/13,422.68
  6. Step 6: Final answer
    x = 5,343.68

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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.