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Finding the Fourth Proportional to 10,241.92, 14,104.10 and 8,896.92

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Solution

The fourth proportional to 10,241.92, 14,104.10 and 8,896.92 is: 12,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,241.92 : 14,104.10 = 8,896.92 : x
  2. Step 2: Convert to fraction form
    10,241.92/14,104.10 = 8,896.92/x
  3. Step 3: Cross multiply
    10,241.92x = 14,104.10 × 8,896.92
  4. Step 4: Simplify right side
    10,241.92x = 125,483,018.72
  5. Step 5: Solve for x
    x = 125,483,018.72/10,241.92
  6. Step 6: Final answer
    x = 12,251.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.