Home / 15,647.53-23,471.31-5,781.73

Finding the Fourth Proportional to 15,647.53, 23,471.31 and 5,781.73

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Solution

The fourth proportional to 15,647.53, 23,471.31 and 5,781.73 is: 8,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.53 : 23,471.31 = 5,781.73 : x
  2. Step 2: Convert to fraction form
    15,647.53/23,471.31 = 5,781.73/x
  3. Step 3: Cross multiply
    15,647.53x = 23,471.31 × 5,781.73
  4. Step 4: Simplify right side
    15,647.53x = 135,704,777.17
  5. Step 5: Solve for x
    x = 135,704,777.17/15,647.53
  6. Step 6: Final answer
    x = 8,672.60

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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.