Home / 21,726.26-29,982.22-11,790.26

Finding the Fourth Proportional to 21,726.26, 29,982.22 and 11,790.26

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Solution

The fourth proportional to 21,726.26, 29,982.22 and 11,790.26 is: 16,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726.26 : 29,982.22 = 11,790.26 : x
  2. Step 2: Convert to fraction form
    21,726.26/29,982.22 = 11,790.26/x
  3. Step 3: Cross multiply
    21,726.26x = 29,982.22 × 11,790.26
  4. Step 4: Simplify right side
    21,726.26x = 353,498,169.18
  5. Step 5: Solve for x
    x = 353,498,169.18/21,726.26
  6. Step 6: Final answer
    x = 16,270.55

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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.