Home / 18,822.46-25,963.59-12,449.02

Finding the Fourth Proportional to 18,822.46, 25,963.59 and 12,449.02

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Solution

The fourth proportional to 18,822.46, 25,963.59 and 12,449.02 is: 17,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.46 : 25,963.59 = 12,449.02 : x
  2. Step 2: Convert to fraction form
    18,822.46/25,963.59 = 12,449.02/x
  3. Step 3: Cross multiply
    18,822.46x = 25,963.59 × 12,449.02
  4. Step 4: Simplify right side
    18,822.46x = 323,221,251.18
  5. Step 5: Solve for x
    x = 323,221,251.18/18,822.46
  6. Step 6: Final answer
    x = 17,172.10

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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.