Home / 9,150.28-13,747.32-5,869.76

Finding the Fourth Proportional to 9,150.28, 13,747.32 and 5,869.76

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Solution

The fourth proportional to 9,150.28, 13,747.32 and 5,869.76 is: 8,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.28 : 13,747.32 = 5,869.76 : x
  2. Step 2: Convert to fraction form
    9,150.28/13,747.32 = 5,869.76/x
  3. Step 3: Cross multiply
    9,150.28x = 13,747.32 × 5,869.76
  4. Step 4: Simplify right side
    9,150.28x = 80,693,469.04
  5. Step 5: Solve for x
    x = 80,693,469.04/9,150.28
  6. Step 6: Final answer
    x = 8,818.69

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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.