Home / 12,586.14-18,879.12-3,226.14

Finding the Fourth Proportional to 12,586.14, 18,879.12 and 3,226.14

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Solution

The fourth proportional to 12,586.14, 18,879.12 and 3,226.14 is: 4,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586.14 : 18,879.12 = 3,226.14 : x
  2. Step 2: Convert to fraction form
    12,586.14/18,879.12 = 3,226.14/x
  3. Step 3: Cross multiply
    12,586.14x = 18,879.12 × 3,226.14
  4. Step 4: Simplify right side
    12,586.14x = 60,906,684.20
  5. Step 5: Solve for x
    x = 60,906,684.20/12,586.14
  6. Step 6: Final answer
    x = 4,839.19

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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.