Home / 11,679.56-17,519.36-2,914.46

Finding the Fourth Proportional to 11,679.56, 17,519.36 and 2,914.46

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Solution

The fourth proportional to 11,679.56, 17,519.36 and 2,914.46 is: 4,371.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.56 : 17,519.36 = 2,914.46 : x
  2. Step 2: Convert to fraction form
    11,679.56/17,519.36 = 2,914.46/x
  3. Step 3: Cross multiply
    11,679.56x = 17,519.36 × 2,914.46
  4. Step 4: Simplify right side
    11,679.56x = 51,059,473.95
  5. Step 5: Solve for x
    x = 51,059,473.95/11,679.56
  6. Step 6: Final answer
    x = 4,371.69

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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.