Home / 10,819.75-16,229.64-4,663.75

Finding the Fourth Proportional to 10,819.75, 16,229.64 and 4,663.75

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Solution

The fourth proportional to 10,819.75, 16,229.64 and 4,663.75 is: 6,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.75 : 16,229.64 = 4,663.75 : x
  2. Step 2: Convert to fraction form
    10,819.75/16,229.64 = 4,663.75/x
  3. Step 3: Cross multiply
    10,819.75x = 16,229.64 × 4,663.75
  4. Step 4: Simplify right side
    10,819.75x = 75,690,983.55
  5. Step 5: Solve for x
    x = 75,690,983.55/10,819.75
  6. Step 6: Final answer
    x = 6,995.63

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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.