Home / 12,206.25-18,309.33-3,441.15

Finding the Fourth Proportional to 12,206.25, 18,309.33 and 3,441.15

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Solution

The fourth proportional to 12,206.25, 18,309.33 and 3,441.15 is: 5,161.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.25 : 18,309.33 = 3,441.15 : x
  2. Step 2: Convert to fraction form
    12,206.25/18,309.33 = 3,441.15/x
  3. Step 3: Cross multiply
    12,206.25x = 18,309.33 × 3,441.15
  4. Step 4: Simplify right side
    12,206.25x = 63,005,150.93
  5. Step 5: Solve for x
    x = 63,005,150.93/12,206.25
  6. Step 6: Final answer
    x = 5,161.71

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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.