Home / 21,204-29,262.44-11,772.56

Finding the Fourth Proportional to 21,204, 29,262.44 and 11,772.56

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Solution

The fourth proportional to 21,204, 29,262.44 and 11,772.56 is: 16,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204 : 29,262.44 = 11,772.56 : x
  2. Step 2: Convert to fraction form
    21,204/29,262.44 = 11,772.56/x
  3. Step 3: Cross multiply
    21,204x = 29,262.44 × 11,772.56
  4. Step 4: Simplify right side
    21,204x = 344,493,933.23
  5. Step 5: Solve for x
    x = 344,493,933.23/21,204
  6. Step 6: Final answer
    x = 16,246.65

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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.