Home / 8,123.17-12,174.94-3,956.94

Finding the Fourth Proportional to 8,123.17, 12,174.94 and 3,956.94

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Solution

The fourth proportional to 8,123.17, 12,174.94 and 3,956.94 is: 5,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.17 : 12,174.94 = 3,956.94 : x
  2. Step 2: Convert to fraction form
    8,123.17/12,174.94 = 3,956.94/x
  3. Step 3: Cross multiply
    8,123.17x = 12,174.94 × 3,956.94
  4. Step 4: Simplify right side
    8,123.17x = 48,175,507.08
  5. Step 5: Solve for x
    x = 48,175,507.08/8,123.17
  6. Step 6: Final answer
    x = 5,930.63

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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.