Home / 11,550.82-17,326.22-2,785.72

Finding the Fourth Proportional to 11,550.82, 17,326.22 and 2,785.72

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Solution

The fourth proportional to 11,550.82, 17,326.22 and 2,785.72 is: 4,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.82 : 17,326.22 = 2,785.72 : x
  2. Step 2: Convert to fraction form
    11,550.82/17,326.22 = 2,785.72/x
  3. Step 3: Cross multiply
    11,550.82x = 17,326.22 × 2,785.72
  4. Step 4: Simplify right side
    11,550.82x = 48,265,997.58
  5. Step 5: Solve for x
    x = 48,265,997.58/11,550.82
  6. Step 6: Final answer
    x = 4,178.58

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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.