Home / 18,327.06-27,491.94-6,640.38

Finding the Fourth Proportional to 18,327.06, 27,491.94 and 6,640.38

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Solution

The fourth proportional to 18,327.06, 27,491.94 and 6,640.38 is: 9,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.06 : 27,491.94 = 6,640.38 : x
  2. Step 2: Convert to fraction form
    18,327.06/27,491.94 = 6,640.38/x
  3. Step 3: Cross multiply
    18,327.06x = 27,491.94 × 6,640.38
  4. Step 4: Simplify right side
    18,327.06x = 182,556,928.54
  5. Step 5: Solve for x
    x = 182,556,928.54/18,327.06
  6. Step 6: Final answer
    x = 9,961.06

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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.