Home / 22,910.64-34,371.42-8,120.85

Finding the Fourth Proportional to 22,910.64, 34,371.42 and 8,120.85

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Solution

The fourth proportional to 22,910.64, 34,371.42 and 8,120.85 is: 12,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,910.64 : 34,371.42 = 8,120.85 : x
  2. Step 2: Convert to fraction form
    22,910.64/34,371.42 = 8,120.85/x
  3. Step 3: Cross multiply
    22,910.64x = 34,371.42 × 8,120.85
  4. Step 4: Simplify right side
    22,910.64x = 279,125,146.11
  5. Step 5: Solve for x
    x = 279,125,146.11/22,910.64
  6. Step 6: Final answer
    x = 12,183.21

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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.