Home / 25,249.12-34,843.78-13,918.80

Finding the Fourth Proportional to 25,249.12, 34,843.78 and 13,918.80

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Solution

The fourth proportional to 25,249.12, 34,843.78 and 13,918.80 is: 19,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249.12 : 34,843.78 = 13,918.80 : x
  2. Step 2: Convert to fraction form
    25,249.12/34,843.78 = 13,918.80/x
  3. Step 3: Cross multiply
    25,249.12x = 34,843.78 × 13,918.80
  4. Step 4: Simplify right side
    25,249.12x = 484,983,570.27
  5. Step 5: Solve for x
    x = 484,983,570.27/25,249.12
  6. Step 6: Final answer
    x = 19,207.94

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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.