Home / 17,377.80-23,974.89-11,412.78

Finding the Fourth Proportional to 17,377.80, 23,974.89 and 11,412.78

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Solution

The fourth proportional to 17,377.80, 23,974.89 and 11,412.78 is: 15,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,377.80 : 23,974.89 = 11,412.78 : x
  2. Step 2: Convert to fraction form
    17,377.80/23,974.89 = 11,412.78/x
  3. Step 3: Cross multiply
    17,377.80x = 23,974.89 × 11,412.78
  4. Step 4: Simplify right side
    17,377.80x = 273,620,145.09
  5. Step 5: Solve for x
    x = 273,620,145.09/17,377.80
  6. Step 6: Final answer
    x = 15,745.38

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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.