Home / 10,961.26-16,439.46-4,385.68

Finding the Fourth Proportional to 10,961.26, 16,439.46 and 4,385.68

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Solution

The fourth proportional to 10,961.26, 16,439.46 and 4,385.68 is: 6,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.26 : 16,439.46 = 4,385.68 : x
  2. Step 2: Convert to fraction form
    10,961.26/16,439.46 = 4,385.68/x
  3. Step 3: Cross multiply
    10,961.26x = 16,439.46 × 4,385.68
  4. Step 4: Simplify right side
    10,961.26x = 72,098,210.93
  5. Step 5: Solve for x
    x = 72,098,210.93/10,961.26
  6. Step 6: Final answer
    x = 6,577.55

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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.