Home / 18,072.12-24,939.65-10,115.09

Finding the Fourth Proportional to 18,072.12, 24,939.65 and 10,115.09

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Solution

The fourth proportional to 18,072.12, 24,939.65 and 10,115.09 is: 13,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.12 : 24,939.65 = 10,115.09 : x
  2. Step 2: Convert to fraction form
    18,072.12/24,939.65 = 10,115.09/x
  3. Step 3: Cross multiply
    18,072.12x = 24,939.65 × 10,115.09
  4. Step 4: Simplify right side
    18,072.12x = 252,266,704.91
  5. Step 5: Solve for x
    x = 252,266,704.91/18,072.12
  6. Step 6: Final answer
    x = 13,958.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.