Home / 15,310.44-21,127.82-8,596.41

Finding the Fourth Proportional to 15,310.44, 21,127.82 and 8,596.41

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Solution

The fourth proportional to 15,310.44, 21,127.82 and 8,596.41 is: 11,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.44 : 21,127.82 = 8,596.41 : x
  2. Step 2: Convert to fraction form
    15,310.44/21,127.82 = 8,596.41/x
  3. Step 3: Cross multiply
    15,310.44x = 21,127.82 × 8,596.41
  4. Step 4: Simplify right side
    15,310.44x = 181,623,360.14
  5. Step 5: Solve for x
    x = 181,623,360.14/15,310.44
  6. Step 6: Final answer
    x = 11,862.71

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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.