Home / 8,168.32-12,268.68-6,997.87

Finding the Fourth Proportional to 8,168.32, 12,268.68 and 6,997.87

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Solution

The fourth proportional to 8,168.32, 12,268.68 and 6,997.87 is: 10,510.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.32 : 12,268.68 = 6,997.87 : x
  2. Step 2: Convert to fraction form
    8,168.32/12,268.68 = 6,997.87/x
  3. Step 3: Cross multiply
    8,168.32x = 12,268.68 × 6,997.87
  4. Step 4: Simplify right side
    8,168.32x = 85,854,627.71
  5. Step 5: Solve for x
    x = 85,854,627.71/8,168.32
  6. Step 6: Final answer
    x = 10,510.68

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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.