Home / 18,306.00-27,464.46-12,979.44

Finding the Fourth Proportional to 18,306.00, 27,464.46 and 12,979.44

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Solution

The fourth proportional to 18,306.00, 27,464.46 and 12,979.44 is: 19,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.00 : 27,464.46 = 12,979.44 : x
  2. Step 2: Convert to fraction form
    18,306.00/27,464.46 = 12,979.44/x
  3. Step 3: Cross multiply
    18,306.00x = 27,464.46 × 12,979.44
  4. Step 4: Simplify right side
    18,306.00x = 356,473,173.38
  5. Step 5: Solve for x
    x = 356,473,173.38/18,306.00
  6. Step 6: Final answer
    x = 19,473.03

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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.