Home / 25,249.09-34,842.18-13,918

Finding the Fourth Proportional to 25,249.09, 34,842.18 and 13,918

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Solution

The fourth proportional to 25,249.09, 34,842.18 and 13,918 is: 19,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249.09 : 34,842.18 = 13,918 : x
  2. Step 2: Convert to fraction form
    25,249.09/34,842.18 = 13,918/x
  3. Step 3: Cross multiply
    25,249.09x = 34,842.18 × 13,918
  4. Step 4: Simplify right side
    25,249.09x = 484,933,426.45
  5. Step 5: Solve for x
    x = 484,933,426.45/25,249.09
  6. Step 6: Final answer
    x = 19,205.98

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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.