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Finding the Fourth Proportional to 9,093.92, 13,640.34 and 8,847.68

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Solution

The fourth proportional to 9,093.92, 13,640.34 and 8,847.68 is: 13,270.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,093.92 : 13,640.34 = 8,847.68 : x
  2. Step 2: Convert to fraction form
    9,093.92/13,640.34 = 8,847.68/x
  3. Step 3: Cross multiply
    9,093.92x = 13,640.34 × 8,847.68
  4. Step 4: Simplify right side
    9,093.92x = 120,685,363.41
  5. Step 5: Solve for x
    x = 120,685,363.41/9,093.92
  6. Step 6: Final answer
    x = 13,270.99

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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.