Home / 11,910.14-17,867.91-4,119.02

Finding the Fourth Proportional to 11,910.14, 17,867.91 and 4,119.02

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Solution

The fourth proportional to 11,910.14, 17,867.91 and 4,119.02 is: 6,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.14 : 17,867.91 = 4,119.02 : x
  2. Step 2: Convert to fraction form
    11,910.14/17,867.91 = 4,119.02/x
  3. Step 3: Cross multiply
    11,910.14x = 17,867.91 × 4,119.02
  4. Step 4: Simplify right side
    11,910.14x = 73,598,278.65
  5. Step 5: Solve for x
    x = 73,598,278.65/11,910.14
  6. Step 6: Final answer
    x = 6,179.46

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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.