Home / 9,286.82-13,914.05-7,736.78

Finding the Fourth Proportional to 9,286.82, 13,914.05 and 7,736.78

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Solution

The fourth proportional to 9,286.82, 13,914.05 and 7,736.78 is: 11,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.82 : 13,914.05 = 7,736.78 : x
  2. Step 2: Convert to fraction form
    9,286.82/13,914.05 = 7,736.78/x
  3. Step 3: Cross multiply
    9,286.82x = 13,914.05 × 7,736.78
  4. Step 4: Simplify right side
    9,286.82x = 107,649,939.86
  5. Step 5: Solve for x
    x = 107,649,939.86/9,286.82
  6. Step 6: Final answer
    x = 11,591.69

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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.