Home / 11,398.44-17,081.26-4,815.57

Finding the Fourth Proportional to 11,398.44, 17,081.26 and 4,815.57

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Solution

The fourth proportional to 11,398.44, 17,081.26 and 4,815.57 is: 7,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.44 : 17,081.26 = 4,815.57 : x
  2. Step 2: Convert to fraction form
    11,398.44/17,081.26 = 4,815.57/x
  3. Step 3: Cross multiply
    11,398.44x = 17,081.26 × 4,815.57
  4. Step 4: Simplify right side
    11,398.44x = 82,256,003.22
  5. Step 5: Solve for x
    x = 82,256,003.22/11,398.44
  6. Step 6: Final answer
    x = 7,216.43

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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.