Home / 11,613.44-17,418.36-3,821.60

Finding the Fourth Proportional to 11,613.44, 17,418.36 and 3,821.60

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Solution

The fourth proportional to 11,613.44, 17,418.36 and 3,821.60 is: 5,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.44 : 17,418.36 = 3,821.60 : x
  2. Step 2: Convert to fraction form
    11,613.44/17,418.36 = 3,821.60/x
  3. Step 3: Cross multiply
    11,613.44x = 17,418.36 × 3,821.60
  4. Step 4: Simplify right side
    11,613.44x = 66,566,004.58
  5. Step 5: Solve for x
    x = 66,566,004.58/11,613.44
  6. Step 6: Final answer
    x = 5,731.81

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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.