Home / 18,373.46-27,538.31-12,796.61

Finding the Fourth Proportional to 18,373.46, 27,538.31 and 12,796.61

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Solution

The fourth proportional to 18,373.46, 27,538.31 and 12,796.61 is: 19,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.46 : 27,538.31 = 12,796.61 : x
  2. Step 2: Convert to fraction form
    18,373.46/27,538.31 = 12,796.61/x
  3. Step 3: Cross multiply
    18,373.46x = 27,538.31 × 12,796.61
  4. Step 4: Simplify right side
    18,373.46x = 352,396,907.43
  5. Step 5: Solve for x
    x = 352,396,907.43/18,373.46
  6. Step 6: Final answer
    x = 19,179.68

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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.