Home / 21,625.72-29,843.44-12,194.22

Finding the Fourth Proportional to 21,625.72, 29,843.44 and 12,194.22

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Solution

The fourth proportional to 21,625.72, 29,843.44 and 12,194.22 is: 16,827.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.72 : 29,843.44 = 12,194.22 : x
  2. Step 2: Convert to fraction form
    21,625.72/29,843.44 = 12,194.22/x
  3. Step 3: Cross multiply
    21,625.72x = 29,843.44 × 12,194.22
  4. Step 4: Simplify right side
    21,625.72x = 363,917,472.92
  5. Step 5: Solve for x
    x = 363,917,472.92/21,625.72
  6. Step 6: Final answer
    x = 16,827.99

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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.