Home / 21,625.47-29,843.10-12,193.97

Finding the Fourth Proportional to 21,625.47, 29,843.10 and 12,193.97

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Solution

The fourth proportional to 21,625.47, 29,843.10 and 12,193.97 is: 16,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.47 : 29,843.10 = 12,193.97 : x
  2. Step 2: Convert to fraction form
    21,625.47/29,843.10 = 12,193.97/x
  3. Step 3: Cross multiply
    21,625.47x = 29,843.10 × 12,193.97
  4. Step 4: Simplify right side
    21,625.47x = 363,905,716.89
  5. Step 5: Solve for x
    x = 363,905,716.89/21,625.47
  6. Step 6: Final answer
    x = 16,827.64

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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.