Home / 11,378.13-17,067.19-3,170.13

Finding the Fourth Proportional to 11,378.13, 17,067.19 and 3,170.13

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Solution

The fourth proportional to 11,378.13, 17,067.19 and 3,170.13 is: 4,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.13 : 17,067.19 = 3,170.13 : x
  2. Step 2: Convert to fraction form
    11,378.13/17,067.19 = 3,170.13/x
  3. Step 3: Cross multiply
    11,378.13x = 17,067.19 × 3,170.13
  4. Step 4: Simplify right side
    11,378.13x = 54,105,211.03
  5. Step 5: Solve for x
    x = 54,105,211.03/11,378.13
  6. Step 6: Final answer
    x = 4,755.19

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1.5x scale

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.