Home / 18,822.97-25,972.75-10,863.71

Finding the Fourth Proportional to 18,822.97, 25,972.75 and 10,863.71

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Solution

The fourth proportional to 18,822.97, 25,972.75 and 10,863.71 is: 14,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.97 : 25,972.75 = 10,863.71 : x
  2. Step 2: Convert to fraction form
    18,822.97/25,972.75 = 10,863.71/x
  3. Step 3: Cross multiply
    18,822.97x = 25,972.75 × 10,863.71
  4. Step 4: Simplify right side
    18,822.97x = 282,160,369.58
  5. Step 5: Solve for x
    x = 282,160,369.58/18,822.97
  6. Step 6: Final answer
    x = 14,990.22

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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.