Home / 10,333.28-15,499.57-4,489.89

Finding the Fourth Proportional to 10,333.28, 15,499.57 and 4,489.89

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Solution

The fourth proportional to 10,333.28, 15,499.57 and 4,489.89 is: 6,734.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.28 : 15,499.57 = 4,489.89 : x
  2. Step 2: Convert to fraction form
    10,333.28/15,499.57 = 4,489.89/x
  3. Step 3: Cross multiply
    10,333.28x = 15,499.57 × 4,489.89
  4. Step 4: Simplify right side
    10,333.28x = 69,591,286.85
  5. Step 5: Solve for x
    x = 69,591,286.85/10,333.28
  6. Step 6: Final answer
    x = 6,734.68

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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.