Home / 15,131.19-22,696.82-5,268.09

Finding the Fourth Proportional to 15,131.19, 22,696.82 and 5,268.09

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Solution

The fourth proportional to 15,131.19, 22,696.82 and 5,268.09 is: 7,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.19 : 22,696.82 = 5,268.09 : x
  2. Step 2: Convert to fraction form
    15,131.19/22,696.82 = 5,268.09/x
  3. Step 3: Cross multiply
    15,131.19x = 22,696.82 × 5,268.09
  4. Step 4: Simplify right side
    15,131.19x = 119,568,890.47
  5. Step 5: Solve for x
    x = 119,568,890.47/15,131.19
  6. Step 6: Final answer
    x = 7,902.15

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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.