Home / 8,171.80-12,244.24-7,490.92

Finding the Fourth Proportional to 8,171.80, 12,244.24 and 7,490.92

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Solution

The fourth proportional to 8,171.80, 12,244.24 and 7,490.92 is: 11,224.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.80 : 12,244.24 = 7,490.92 : x
  2. Step 2: Convert to fraction form
    8,171.80/12,244.24 = 7,490.92/x
  3. Step 3: Cross multiply
    8,171.80x = 12,244.24 × 7,490.92
  4. Step 4: Simplify right side
    8,171.80x = 91,720,622.30
  5. Step 5: Solve for x
    x = 91,720,622.30/8,171.80
  6. Step 6: Final answer
    x = 11,224.04

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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.