Home / 21,046.73-29,044.08-11,486.30

Finding the Fourth Proportional to 21,046.73, 29,044.08 and 11,486.30

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Solution

The fourth proportional to 21,046.73, 29,044.08 and 11,486.30 is: 15,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.73 : 29,044.08 = 11,486.30 : x
  2. Step 2: Convert to fraction form
    21,046.73/29,044.08 = 11,486.30/x
  3. Step 3: Cross multiply
    21,046.73x = 29,044.08 × 11,486.30
  4. Step 4: Simplify right side
    21,046.73x = 333,608,870.88
  5. Step 5: Solve for x
    x = 333,608,870.88/21,046.73
  6. Step 6: Final answer
    x = 15,850.87

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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.