Home / 8,414.23-12,616.96-3,144.91

Finding the Fourth Proportional to 8,414.23, 12,616.96 and 3,144.91

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Solution

The fourth proportional to 8,414.23, 12,616.96 and 3,144.91 is: 4,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.23 : 12,616.96 = 3,144.91 : x
  2. Step 2: Convert to fraction form
    8,414.23/12,616.96 = 3,144.91/x
  3. Step 3: Cross multiply
    8,414.23x = 12,616.96 × 3,144.91
  4. Step 4: Simplify right side
    8,414.23x = 39,679,203.67
  5. Step 5: Solve for x
    x = 39,679,203.67/8,414.23
  6. Step 6: Final answer
    x = 4,715.73

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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.