Home / 21,304.13-29,399.29-12,352.46

Finding the Fourth Proportional to 21,304.13, 29,399.29 and 12,352.46

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Solution

The fourth proportional to 21,304.13, 29,399.29 and 12,352.46 is: 17,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.13 : 29,399.29 = 12,352.46 : x
  2. Step 2: Convert to fraction form
    21,304.13/29,399.29 = 12,352.46/x
  3. Step 3: Cross multiply
    21,304.13x = 29,399.29 × 12,352.46
  4. Step 4: Simplify right side
    21,304.13x = 363,153,553.75
  5. Step 5: Solve for x
    x = 363,153,553.75/21,304.13
  6. Step 6: Final answer
    x = 17,046.16

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1.5x scale

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.