Home / 8,181.99-12,273.03-2,338.65

Finding the Fourth Proportional to 8,181.99, 12,273.03 and 2,338.65

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Solution

The fourth proportional to 8,181.99, 12,273.03 and 2,338.65 is: 3,507.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.99 : 12,273.03 = 2,338.65 : x
  2. Step 2: Convert to fraction form
    8,181.99/12,273.03 = 2,338.65/x
  3. Step 3: Cross multiply
    8,181.99x = 12,273.03 × 2,338.65
  4. Step 4: Simplify right side
    8,181.99x = 28,702,321.61
  5. Step 5: Solve for x
    x = 28,702,321.61/8,181.99
  6. Step 6: Final answer
    x = 3,507.99

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Double scale
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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.