Home / 21,067.29-29,072.82-11,635.85

Finding the Fourth Proportional to 21,067.29, 29,072.82 and 11,635.85

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Solution

The fourth proportional to 21,067.29, 29,072.82 and 11,635.85 is: 16,057.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067.29 : 29,072.82 = 11,635.85 : x
  2. Step 2: Convert to fraction form
    21,067.29/29,072.82 = 11,635.85/x
  3. Step 3: Cross multiply
    21,067.29x = 29,072.82 × 11,635.85
  4. Step 4: Simplify right side
    21,067.29x = 338,287,088.91
  5. Step 5: Solve for x
    x = 338,287,088.91/21,067.29
  6. Step 6: Final answer
    x = 16,057.46

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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.