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Finding the Fourth Proportional to 8,155.08, 12,174.03 and 7,576.88

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Solution

The fourth proportional to 8,155.08, 12,174.03 and 7,576.88 is: 11,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.08 : 12,174.03 = 7,576.88 : x
  2. Step 2: Convert to fraction form
    8,155.08/12,174.03 = 7,576.88/x
  3. Step 3: Cross multiply
    8,155.08x = 12,174.03 × 7,576.88
  4. Step 4: Simplify right side
    8,155.08x = 92,241,103.56
  5. Step 5: Solve for x
    x = 92,241,103.56/8,155.08
  6. Step 6: Final answer
    x = 11,310.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.