Home / 9,147.88-13,721.82-2,222.36

Finding the Fourth Proportional to 9,147.88, 13,721.82 and 2,222.36

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Solution

The fourth proportional to 9,147.88, 13,721.82 and 2,222.36 is: 3,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.88 : 13,721.82 = 2,222.36 : x
  2. Step 2: Convert to fraction form
    9,147.88/13,721.82 = 2,222.36/x
  3. Step 3: Cross multiply
    9,147.88x = 13,721.82 × 2,222.36
  4. Step 4: Simplify right side
    9,147.88x = 30,494,823.90
  5. Step 5: Solve for x
    x = 30,494,823.90/9,147.88
  6. Step 6: Final answer
    x = 3,333.54

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Similar ratio
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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.