Home / 21,625.61-29,843.29-12,194.11

Finding the Fourth Proportional to 21,625.61, 29,843.29 and 12,194.11

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Solution

The fourth proportional to 21,625.61, 29,843.29 and 12,194.11 is: 16,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.61 : 29,843.29 = 12,194.11 : x
  2. Step 2: Convert to fraction form
    21,625.61/29,843.29 = 12,194.11/x
  3. Step 3: Cross multiply
    21,625.61x = 29,843.29 × 12,194.11
  4. Step 4: Simplify right side
    21,625.61x = 363,912,280.00
  5. Step 5: Solve for x
    x = 363,912,280.00/21,625.61
  6. Step 6: Final answer
    x = 16,827.84

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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.