Home / 21,634.50-29,855.94-12,203.24

Finding the Fourth Proportional to 21,634.50, 29,855.94 and 12,203.24

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Solution

The fourth proportional to 21,634.50, 29,855.94 and 12,203.24 is: 16,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.50 : 29,855.94 = 12,203.24 : x
  2. Step 2: Convert to fraction form
    21,634.50/29,855.94 = 12,203.24/x
  3. Step 3: Cross multiply
    21,634.50x = 29,855.94 × 12,203.24
  4. Step 4: Simplify right side
    21,634.50x = 364,339,201.25
  5. Step 5: Solve for x
    x = 364,339,201.25/21,634.50
  6. Step 6: Final answer
    x = 16,840.66

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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.