Home / 11,984.13-17,976.31-3,219.04

Finding the Fourth Proportional to 11,984.13, 17,976.31 and 3,219.04

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Solution

The fourth proportional to 11,984.13, 17,976.31 and 3,219.04 is: 4,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.13 : 17,976.31 = 3,219.04 : x
  2. Step 2: Convert to fraction form
    11,984.13/17,976.31 = 3,219.04/x
  3. Step 3: Cross multiply
    11,984.13x = 17,976.31 × 3,219.04
  4. Step 4: Simplify right side
    11,984.13x = 57,866,444.85
  5. Step 5: Solve for x
    x = 57,866,444.85/11,984.13
  6. Step 6: Final answer
    x = 4,828.59

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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.