Home / 11,828.96-17,734.53-7,147.97

Finding the Fourth Proportional to 11,828.96, 17,734.53 and 7,147.97

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Solution

The fourth proportional to 11,828.96, 17,734.53 and 7,147.97 is: 10,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.96 : 17,734.53 = 7,147.97 : x
  2. Step 2: Convert to fraction form
    11,828.96/17,734.53 = 7,147.97/x
  3. Step 3: Cross multiply
    11,828.96x = 17,734.53 × 7,147.97
  4. Step 4: Simplify right side
    11,828.96x = 126,765,888.40
  5. Step 5: Solve for x
    x = 126,765,888.40/11,828.96
  6. Step 6: Final answer
    x = 10,716.57

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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.