Home / 8,165.73-12,238.85-5,687.13

Finding the Fourth Proportional to 8,165.73, 12,238.85 and 5,687.13

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Solution

The fourth proportional to 8,165.73, 12,238.85 and 5,687.13 is: 8,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.73 : 12,238.85 = 5,687.13 : x
  2. Step 2: Convert to fraction form
    8,165.73/12,238.85 = 5,687.13/x
  3. Step 3: Cross multiply
    8,165.73x = 12,238.85 × 5,687.13
  4. Step 4: Simplify right side
    8,165.73x = 69,603,902.56
  5. Step 5: Solve for x
    x = 69,603,902.56/8,165.73
  6. Step 6: Final answer
    x = 8,523.90

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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.