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Finding the Fourth Proportional to 8,734.68, 13,099.68 and 5,960.88

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Solution

The fourth proportional to 8,734.68, 13,099.68 and 5,960.88 is: 8,939.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.68 : 13,099.68 = 5,960.88 : x
  2. Step 2: Convert to fraction form
    8,734.68/13,099.68 = 5,960.88/x
  3. Step 3: Cross multiply
    8,734.68x = 13,099.68 × 5,960.88
  4. Step 4: Simplify right side
    8,734.68x = 78,085,620.52
  5. Step 5: Solve for x
    x = 78,085,620.52/8,734.68
  6. Step 6: Final answer
    x = 8,939.72

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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.