Home / 11,456.61-17,185.44-3,136.44

Finding the Fourth Proportional to 11,456.61, 17,185.44 and 3,136.44

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Solution

The fourth proportional to 11,456.61, 17,185.44 and 3,136.44 is: 4,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,456.61 : 17,185.44 = 3,136.44 : x
  2. Step 2: Convert to fraction form
    11,456.61/17,185.44 = 3,136.44/x
  3. Step 3: Cross multiply
    11,456.61x = 17,185.44 × 3,136.44
  4. Step 4: Simplify right side
    11,456.61x = 53,901,101.43
  5. Step 5: Solve for x
    x = 53,901,101.43/11,456.61
  6. Step 6: Final answer
    x = 4,704.80

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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.