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Finding the Fourth Proportional to 10,627.92, 15,944.72 and 9,465.88

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Solution

The fourth proportional to 10,627.92, 15,944.72 and 9,465.88 is: 14,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.92 : 15,944.72 = 9,465.88 : x
  2. Step 2: Convert to fraction form
    10,627.92/15,944.72 = 9,465.88/x
  3. Step 3: Cross multiply
    10,627.92x = 15,944.72 × 9,465.88
  4. Step 4: Simplify right side
    10,627.92x = 150,930,806.15
  5. Step 5: Solve for x
    x = 150,930,806.15/10,627.92
  6. Step 6: Final answer
    x = 14,201.35

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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.