Home / 21,304.68-29,399.13-11,744.07

Finding the Fourth Proportional to 21,304.68, 29,399.13 and 11,744.07

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Solution

The fourth proportional to 21,304.68, 29,399.13 and 11,744.07 is: 16,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.68 : 29,399.13 = 11,744.07 : x
  2. Step 2: Convert to fraction form
    21,304.68/29,399.13 = 11,744.07/x
  3. Step 3: Cross multiply
    21,304.68x = 29,399.13 × 11,744.07
  4. Step 4: Simplify right side
    21,304.68x = 345,265,440.66
  5. Step 5: Solve for x
    x = 345,265,440.66/21,304.68
  6. Step 6: Final answer
    x = 16,206.08

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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.