Home / 21,067.26-29,072.64-11,635.62

Finding the Fourth Proportional to 21,067.26, 29,072.64 and 11,635.62

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Solution

The fourth proportional to 21,067.26, 29,072.64 and 11,635.62 is: 16,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067.26 : 29,072.64 = 11,635.62 : x
  2. Step 2: Convert to fraction form
    21,067.26/29,072.64 = 11,635.62/x
  3. Step 3: Cross multiply
    21,067.26x = 29,072.64 × 11,635.62
  4. Step 4: Simplify right side
    21,067.26x = 338,278,191.44
  5. Step 5: Solve for x
    x = 338,278,191.44/21,067.26
  6. Step 6: Final answer
    x = 16,057.06

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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.