Home / 12,481.12-17,223.84-6,892

Finding the Fourth Proportional to 12,481.12, 17,223.84 and 6,892

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Solution

The fourth proportional to 12,481.12, 17,223.84 and 6,892 is: 9,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481.12 : 17,223.84 = 6,892 : x
  2. Step 2: Convert to fraction form
    12,481.12/17,223.84 = 6,892/x
  3. Step 3: Cross multiply
    12,481.12x = 17,223.84 × 6,892
  4. Step 4: Simplify right side
    12,481.12x = 118,706,705.28
  5. Step 5: Solve for x
    x = 118,706,705.28/12,481.12
  6. Step 6: Final answer
    x = 9,510.90

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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.