Home / 22,344.88-30,833.60-13,392.16

Finding the Fourth Proportional to 22,344.88, 30,833.60 and 13,392.16

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Solution

The fourth proportional to 22,344.88, 30,833.60 and 13,392.16 is: 18,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,344.88 : 30,833.60 = 13,392.16 : x
  2. Step 2: Convert to fraction form
    22,344.88/30,833.60 = 13,392.16/x
  3. Step 3: Cross multiply
    22,344.88x = 30,833.60 × 13,392.16
  4. Step 4: Simplify right side
    22,344.88x = 412,928,504.58
  5. Step 5: Solve for x
    x = 412,928,504.58/22,344.88
  6. Step 6: Final answer
    x = 18,479.78

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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.