Home / 22,268.86-33,403.29-9,115.88

Finding the Fourth Proportional to 22,268.86, 33,403.29 and 9,115.88

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Solution

The fourth proportional to 22,268.86, 33,403.29 and 9,115.88 is: 13,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.86 : 33,403.29 = 9,115.88 : x
  2. Step 2: Convert to fraction form
    22,268.86/33,403.29 = 9,115.88/x
  3. Step 3: Cross multiply
    22,268.86x = 33,403.29 × 9,115.88
  4. Step 4: Simplify right side
    22,268.86x = 304,500,182.04
  5. Step 5: Solve for x
    x = 304,500,182.04/22,268.86
  6. Step 6: Final answer
    x = 13,673.81

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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.