Home / 11,745.45-17,704.49-11,067.89

Finding the Fourth Proportional to 11,745.45, 17,704.49 and 11,067.89

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Solution

The fourth proportional to 11,745.45, 17,704.49 and 11,067.89 is: 16,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.45 : 17,704.49 = 11,067.89 : x
  2. Step 2: Convert to fraction form
    11,745.45/17,704.49 = 11,067.89/x
  3. Step 3: Cross multiply
    11,745.45x = 17,704.49 × 11,067.89
  4. Step 4: Simplify right side
    11,745.45x = 195,951,203.96
  5. Step 5: Solve for x
    x = 195,951,203.96/11,745.45
  6. Step 6: Final answer
    x = 16,683.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.