Home / 21,344.03-29,456.43-11,914.01

Finding the Fourth Proportional to 21,344.03, 29,456.43 and 11,914.01

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Solution

The fourth proportional to 21,344.03, 29,456.43 and 11,914.01 is: 16,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344.03 : 29,456.43 = 11,914.01 : x
  2. Step 2: Convert to fraction form
    21,344.03/29,456.43 = 11,914.01/x
  3. Step 3: Cross multiply
    21,344.03x = 29,456.43 × 11,914.01
  4. Step 4: Simplify right side
    21,344.03x = 350,944,201.58
  5. Step 5: Solve for x
    x = 350,944,201.58/21,344.03
  6. Step 6: Final answer
    x = 16,442.27

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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.