Home / 23,168.97-31,975.71-12,963.71

Finding the Fourth Proportional to 23,168.97, 31,975.71 and 12,963.71

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Solution

The fourth proportional to 23,168.97, 31,975.71 and 12,963.71 is: 17,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,168.97 : 31,975.71 = 12,963.71 : x
  2. Step 2: Convert to fraction form
    23,168.97/31,975.71 = 12,963.71/x
  3. Step 3: Cross multiply
    23,168.97x = 31,975.71 × 12,963.71
  4. Step 4: Simplify right side
    23,168.97x = 414,523,671.61
  5. Step 5: Solve for x
    x = 414,523,671.61/23,168.97
  6. Step 6: Final answer
    x = 17,891.33

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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.