Home / 11,951.31-17,929.36-6,693.80

Finding the Fourth Proportional to 11,951.31, 17,929.36 and 6,693.80

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Solution

The fourth proportional to 11,951.31, 17,929.36 and 6,693.80 is: 10,042.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.31 : 17,929.36 = 6,693.80 : x
  2. Step 2: Convert to fraction form
    11,951.31/17,929.36 = 6,693.80/x
  3. Step 3: Cross multiply
    11,951.31x = 17,929.36 × 6,693.80
  4. Step 4: Simplify right side
    11,951.31x = 120,015,549.97
  5. Step 5: Solve for x
    x = 120,015,549.97/11,951.31
  6. Step 6: Final answer
    x = 10,042.04

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1.5x scale

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.