Home / 15,844.06-21,857.97-9,125.69

Finding the Fourth Proportional to 15,844.06, 21,857.97 and 9,125.69

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Solution

The fourth proportional to 15,844.06, 21,857.97 and 9,125.69 is: 12,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,844.06 : 21,857.97 = 9,125.69 : x
  2. Step 2: Convert to fraction form
    15,844.06/21,857.97 = 9,125.69/x
  3. Step 3: Cross multiply
    15,844.06x = 21,857.97 × 9,125.69
  4. Step 4: Simplify right side
    15,844.06x = 199,469,058.25
  5. Step 5: Solve for x
    x = 199,469,058.25/15,844.06
  6. Step 6: Final answer
    x = 12,589.52

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Similar ratio
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1.5x scale

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.