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Finding the Fourth Proportional to 22,704.95, 34,067.42 and 11,620.77

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Solution

The fourth proportional to 22,704.95, 34,067.42 and 11,620.77 is: 17,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.95 : 34,067.42 = 11,620.77 : x
  2. Step 2: Convert to fraction form
    22,704.95/34,067.42 = 11,620.77/x
  3. Step 3: Cross multiply
    22,704.95x = 34,067.42 × 11,620.77
  4. Step 4: Simplify right side
    22,704.95x = 395,889,594.21
  5. Step 5: Solve for x
    x = 395,889,594.21/22,704.95
  6. Step 6: Final answer
    x = 17,436.27

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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.