Home / 12,313.24-18,464.38-3,546.11

Finding the Fourth Proportional to 12,313.24, 18,464.38 and 3,546.11

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Solution

The fourth proportional to 12,313.24, 18,464.38 and 3,546.11 is: 5,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,313.24 : 18,464.38 = 3,546.11 : x
  2. Step 2: Convert to fraction form
    12,313.24/18,464.38 = 3,546.11/x
  3. Step 3: Cross multiply
    12,313.24x = 18,464.38 × 3,546.11
  4. Step 4: Simplify right side
    12,313.24x = 65,476,759.86
  5. Step 5: Solve for x
    x = 65,476,759.86/12,313.24
  6. Step 6: Final answer
    x = 5,317.59

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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.