Home / 11,696.62-17,540.80-5,455.47

Finding the Fourth Proportional to 11,696.62, 17,540.80 and 5,455.47

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Solution

The fourth proportional to 11,696.62, 17,540.80 and 5,455.47 is: 8,181.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696.62 : 17,540.80 = 5,455.47 : x
  2. Step 2: Convert to fraction form
    11,696.62/17,540.80 = 5,455.47/x
  3. Step 3: Cross multiply
    11,696.62x = 17,540.80 × 5,455.47
  4. Step 4: Simplify right side
    11,696.62x = 95,693,308.18
  5. Step 5: Solve for x
    x = 95,693,308.18/11,696.62
  6. Step 6: Final answer
    x = 8,181.28

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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.