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Finding the Fourth Proportional to 8,080.92, 12,126.24 and 8,015.04

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Solution

The fourth proportional to 8,080.92, 12,126.24 and 8,015.04 is: 12,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.92 : 12,126.24 = 8,015.04 : x
  2. Step 2: Convert to fraction form
    8,080.92/12,126.24 = 8,015.04/x
  3. Step 3: Cross multiply
    8,080.92x = 12,126.24 × 8,015.04
  4. Step 4: Simplify right side
    8,080.92x = 97,192,298.65
  5. Step 5: Solve for x
    x = 97,192,298.65/8,080.92
  6. Step 6: Final answer
    x = 12,027.38

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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.