Home / 21,633.27-29,853.93-12,201.83

Finding the Fourth Proportional to 21,633.27, 29,853.93 and 12,201.83

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Solution

The fourth proportional to 21,633.27, 29,853.93 and 12,201.83 is: 16,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.27 : 29,853.93 = 12,201.83 : x
  2. Step 2: Convert to fraction form
    21,633.27/29,853.93 = 12,201.83/x
  3. Step 3: Cross multiply
    21,633.27x = 29,853.93 × 12,201.83
  4. Step 4: Simplify right side
    21,633.27x = 364,272,578.69
  5. Step 5: Solve for x
    x = 364,272,578.69/21,633.27
  6. Step 6: Final answer
    x = 16,838.54

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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.