Home / 21,304.73-29,399.20-11,744.12

Finding the Fourth Proportional to 21,304.73, 29,399.20 and 11,744.12

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Solution

The fourth proportional to 21,304.73, 29,399.20 and 11,744.12 is: 16,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.73 : 29,399.20 = 11,744.12 : x
  2. Step 2: Convert to fraction form
    21,304.73/29,399.20 = 11,744.12/x
  3. Step 3: Cross multiply
    21,304.73x = 29,399.20 × 11,744.12
  4. Step 4: Simplify right side
    21,304.73x = 345,267,710.64
  5. Step 5: Solve for x
    x = 345,267,710.64/21,304.73
  6. Step 6: Final answer
    x = 16,206.15

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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.