Home / 11,440.82-15,789.66-6,906.44

Finding the Fourth Proportional to 11,440.82, 15,789.66 and 6,906.44

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Solution

The fourth proportional to 11,440.82, 15,789.66 and 6,906.44 is: 9,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.82 : 15,789.66 = 6,906.44 : x
  2. Step 2: Convert to fraction form
    11,440.82/15,789.66 = 6,906.44/x
  3. Step 3: Cross multiply
    11,440.82x = 15,789.66 × 6,906.44
  4. Step 4: Simplify right side
    11,440.82x = 109,050,339.41
  5. Step 5: Solve for x
    x = 109,050,339.41/11,440.82
  6. Step 6: Final answer
    x = 9,531.69

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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.