Home / 11,072.38-16,605.74-3,279.37

Finding the Fourth Proportional to 11,072.38, 16,605.74 and 3,279.37

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Solution

The fourth proportional to 11,072.38, 16,605.74 and 3,279.37 is: 4,918.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,072.38 : 16,605.74 = 3,279.37 : x
  2. Step 2: Convert to fraction form
    11,072.38/16,605.74 = 3,279.37/x
  3. Step 3: Cross multiply
    11,072.38x = 16,605.74 × 3,279.37
  4. Step 4: Simplify right side
    11,072.38x = 54,456,365.58
  5. Step 5: Solve for x
    x = 54,456,365.58/11,072.38
  6. Step 6: Final answer
    x = 4,918.22

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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.