Home / 21,626.31-29,843.91-12,194.88

Finding the Fourth Proportional to 21,626.31, 29,843.91 and 12,194.88

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Solution

The fourth proportional to 21,626.31, 29,843.91 and 12,194.88 is: 16,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.31 : 29,843.91 = 12,194.88 : x
  2. Step 2: Convert to fraction form
    21,626.31/29,843.91 = 12,194.88/x
  3. Step 3: Cross multiply
    21,626.31x = 29,843.91 × 12,194.88
  4. Step 4: Simplify right side
    21,626.31x = 363,942,901.18
  5. Step 5: Solve for x
    x = 363,942,901.18/21,626.31
  6. Step 6: Final answer
    x = 16,828.71

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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.