Home / 11,995.32-17,982.09-4,199.88

Finding the Fourth Proportional to 11,995.32, 17,982.09 and 4,199.88

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Solution

The fourth proportional to 11,995.32, 17,982.09 and 4,199.88 is: 6,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.32 : 17,982.09 = 4,199.88 : x
  2. Step 2: Convert to fraction form
    11,995.32/17,982.09 = 4,199.88/x
  3. Step 3: Cross multiply
    11,995.32x = 17,982.09 × 4,199.88
  4. Step 4: Simplify right side
    11,995.32x = 75,522,620.15
  5. Step 5: Solve for x
    x = 75,522,620.15/11,995.32
  6. Step 6: Final answer
    x = 6,296.01

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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.