Home / 10,879.68-16,310.61-4,959.18

Finding the Fourth Proportional to 10,879.68, 16,310.61 and 4,959.18

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Solution

The fourth proportional to 10,879.68, 16,310.61 and 4,959.18 is: 7,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.68 : 16,310.61 = 4,959.18 : x
  2. Step 2: Convert to fraction form
    10,879.68/16,310.61 = 4,959.18/x
  3. Step 3: Cross multiply
    10,879.68x = 16,310.61 × 4,959.18
  4. Step 4: Simplify right side
    10,879.68x = 80,887,250.90
  5. Step 5: Solve for x
    x = 80,887,250.90/10,879.68
  6. Step 6: Final answer
    x = 7,434.71

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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.