Home / 22,711.96-34,062.36-7,918.72

Finding the Fourth Proportional to 22,711.96, 34,062.36 and 7,918.72

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Solution

The fourth proportional to 22,711.96, 34,062.36 and 7,918.72 is: 11,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,711.96 : 34,062.36 = 7,918.72 : x
  2. Step 2: Convert to fraction form
    22,711.96/34,062.36 = 7,918.72/x
  3. Step 3: Cross multiply
    22,711.96x = 34,062.36 × 7,918.72
  4. Step 4: Simplify right side
    22,711.96x = 269,730,291.38
  5. Step 5: Solve for x
    x = 269,730,291.38/22,711.96
  6. Step 6: Final answer
    x = 11,876.13

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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.