Home / 12,418.30-18,617.42-4,093.12

Finding the Fourth Proportional to 12,418.30, 18,617.42 and 4,093.12

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Solution

The fourth proportional to 12,418.30, 18,617.42 and 4,093.12 is: 6,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.30 : 18,617.42 = 4,093.12 : x
  2. Step 2: Convert to fraction form
    12,418.30/18,617.42 = 4,093.12/x
  3. Step 3: Cross multiply
    12,418.30x = 18,617.42 × 4,093.12
  4. Step 4: Simplify right side
    12,418.30x = 76,203,334.15
  5. Step 5: Solve for x
    x = 76,203,334.15/12,418.30
  6. Step 6: Final answer
    x = 6,136.37

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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.