Home / 17,918.15-24,716.25-11,542.64

Finding the Fourth Proportional to 17,918.15, 24,716.25 and 11,542.64

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Solution

The fourth proportional to 17,918.15, 24,716.25 and 11,542.64 is: 15,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.15 : 24,716.25 = 11,542.64 : x
  2. Step 2: Convert to fraction form
    17,918.15/24,716.25 = 11,542.64/x
  3. Step 3: Cross multiply
    17,918.15x = 24,716.25 × 11,542.64
  4. Step 4: Simplify right side
    17,918.15x = 285,290,652.32
  5. Step 5: Solve for x
    x = 285,290,652.32/17,918.15
  6. Step 6: Final answer
    x = 15,921.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.