Home / 12,208.44-18,313.11-3,443.59

Finding the Fourth Proportional to 12,208.44, 18,313.11 and 3,443.59

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Solution

The fourth proportional to 12,208.44, 18,313.11 and 3,443.59 is: 5,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.44 : 18,313.11 = 3,443.59 : x
  2. Step 2: Convert to fraction form
    12,208.44/18,313.11 = 3,443.59/x
  3. Step 3: Cross multiply
    12,208.44x = 18,313.11 × 3,443.59
  4. Step 4: Simplify right side
    12,208.44x = 63,062,796.68
  5. Step 5: Solve for x
    x = 63,062,796.68/12,208.44
  6. Step 6: Final answer
    x = 5,165.51

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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.