Home / 12,481.12-17,245.04-9,660

Finding the Fourth Proportional to 12,481.12, 17,245.04 and 9,660

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Solution

The fourth proportional to 12,481.12, 17,245.04 and 9,660 is: 13,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481.12 : 17,245.04 = 9,660 : x
  2. Step 2: Convert to fraction form
    12,481.12/17,245.04 = 9,660/x
  3. Step 3: Cross multiply
    12,481.12x = 17,245.04 × 9,660
  4. Step 4: Simplify right side
    12,481.12x = 166,587,086.40
  5. Step 5: Solve for x
    x = 166,587,086.40/12,481.12
  6. Step 6: Final answer
    x = 13,347.13

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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.