Home / 18,428.22-27,625.96-7,180.95

Finding the Fourth Proportional to 18,428.22, 27,625.96 and 7,180.95

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Solution

The fourth proportional to 18,428.22, 27,625.96 and 7,180.95 is: 10,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.22 : 27,625.96 = 7,180.95 : x
  2. Step 2: Convert to fraction form
    18,428.22/27,625.96 = 7,180.95/x
  3. Step 3: Cross multiply
    18,428.22x = 27,625.96 × 7,180.95
  4. Step 4: Simplify right side
    18,428.22x = 198,380,706.53
  5. Step 5: Solve for x
    x = 198,380,706.53/18,428.22
  6. Step 6: Final answer
    x = 10,765.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.