Home / 21,067.82-29,073.58-11,636.99

Finding the Fourth Proportional to 21,067.82, 29,073.58 and 11,636.99

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Solution

The fourth proportional to 21,067.82, 29,073.58 and 11,636.99 is: 16,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067.82 : 29,073.58 = 11,636.99 : x
  2. Step 2: Convert to fraction form
    21,067.82/29,073.58 = 11,636.99/x
  3. Step 3: Cross multiply
    21,067.82x = 29,073.58 × 11,636.99
  4. Step 4: Simplify right side
    21,067.82x = 338,328,814.36
  5. Step 5: Solve for x
    x = 338,328,814.36/21,067.82
  6. Step 6: Final answer
    x = 16,059.04

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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.