Home / 11,251.56-15,505.86-9,249.96

Finding the Fourth Proportional to 11,251.56, 15,505.86 and 9,249.96

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Solution

The fourth proportional to 11,251.56, 15,505.86 and 9,249.96 is: 12,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.56 : 15,505.86 = 9,249.96 : x
  2. Step 2: Convert to fraction form
    11,251.56/15,505.86 = 9,249.96/x
  3. Step 3: Cross multiply
    11,251.56x = 15,505.86 × 9,249.96
  4. Step 4: Simplify right side
    11,251.56x = 143,428,584.77
  5. Step 5: Solve for x
    x = 143,428,584.77/11,251.56
  6. Step 6: Final answer
    x = 12,747.44

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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.