Home / 18,244.73-25,163.15-12,578.18

Finding the Fourth Proportional to 18,244.73, 25,163.15 and 12,578.18

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Solution

The fourth proportional to 18,244.73, 25,163.15 and 12,578.18 is: 17,347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.73 : 25,163.15 = 12,578.18 : x
  2. Step 2: Convert to fraction form
    18,244.73/25,163.15 = 12,578.18/x
  3. Step 3: Cross multiply
    18,244.73x = 25,163.15 × 12,578.18
  4. Step 4: Simplify right side
    18,244.73x = 316,506,488.54
  5. Step 5: Solve for x
    x = 316,506,488.54/18,244.73
  6. Step 6: Final answer
    x = 17,347.83

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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.