Home / 21,083.01-29,093.61-11,651.37

Finding the Fourth Proportional to 21,083.01, 29,093.61 and 11,651.37

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Solution

The fourth proportional to 21,083.01, 29,093.61 and 11,651.37 is: 16,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.01 : 29,093.61 = 11,651.37 : x
  2. Step 2: Convert to fraction form
    21,083.01/29,093.61 = 11,651.37/x
  3. Step 3: Cross multiply
    21,083.01x = 29,093.61 × 11,651.37
  4. Step 4: Simplify right side
    21,083.01x = 338,980,414.75
  5. Step 5: Solve for x
    x = 338,980,414.75/21,083.01
  6. Step 6: Final answer
    x = 16,078.37

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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.