Home / 11,249.58-15,536.94-8,761.62

Finding the Fourth Proportional to 11,249.58, 15,536.94 and 8,761.62

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Solution

The fourth proportional to 11,249.58, 15,536.94 and 8,761.62 is: 12,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.58 : 15,536.94 = 8,761.62 : x
  2. Step 2: Convert to fraction form
    11,249.58/15,536.94 = 8,761.62/x
  3. Step 3: Cross multiply
    11,249.58x = 15,536.94 × 8,761.62
  4. Step 4: Simplify right side
    11,249.58x = 136,128,764.24
  5. Step 5: Solve for x
    x = 136,128,764.24/11,249.58
  6. Step 6: Final answer
    x = 12,100.79

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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.