Home / 9,177.12-13,765.68-2,251.68

Finding the Fourth Proportional to 9,177.12, 13,765.68 and 2,251.68

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Solution

The fourth proportional to 9,177.12, 13,765.68 and 2,251.68 is: 3,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.12 : 13,765.68 = 2,251.68 : x
  2. Step 2: Convert to fraction form
    9,177.12/13,765.68 = 2,251.68/x
  3. Step 3: Cross multiply
    9,177.12x = 13,765.68 × 2,251.68
  4. Step 4: Simplify right side
    9,177.12x = 30,995,906.34
  5. Step 5: Solve for x
    x = 30,995,906.34/9,177.12
  6. Step 6: Final answer
    x = 3,377.52

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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.