Home / 21,344.04-29,456.44-11,914.02

Finding the Fourth Proportional to 21,344.04, 29,456.44 and 11,914.02

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Solution

The fourth proportional to 21,344.04, 29,456.44 and 11,914.02 is: 16,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344.04 : 29,456.44 = 11,914.02 : x
  2. Step 2: Convert to fraction form
    21,344.04/29,456.44 = 11,914.02/x
  3. Step 3: Cross multiply
    21,344.04x = 29,456.44 × 11,914.02
  4. Step 4: Simplify right side
    21,344.04x = 350,944,615.29
  5. Step 5: Solve for x
    x = 350,944,615.29/21,344.04
  6. Step 6: Final answer
    x = 16,442.28

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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.