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Finding the Fourth Proportional to 8,348.10, 12,497.85 and 8,105.10

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Solution

The fourth proportional to 8,348.10, 12,497.85 and 8,105.10 is: 12,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.10 : 12,497.85 = 8,105.10 : x
  2. Step 2: Convert to fraction form
    8,348.10/12,497.85 = 8,105.10/x
  3. Step 3: Cross multiply
    8,348.10x = 12,497.85 × 8,105.10
  4. Step 4: Simplify right side
    8,348.10x = 101,296,324.04
  5. Step 5: Solve for x
    x = 101,296,324.04/8,348.10
  6. Step 6: Final answer
    x = 12,134.06

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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.