Home / 12,225.26-18,338.91-3,906.46

Finding the Fourth Proportional to 12,225.26, 18,338.91 and 3,906.46

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Solution

The fourth proportional to 12,225.26, 18,338.91 and 3,906.46 is: 5,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225.26 : 18,338.91 = 3,906.46 : x
  2. Step 2: Convert to fraction form
    12,225.26/18,338.91 = 3,906.46/x
  3. Step 3: Cross multiply
    12,225.26x = 18,338.91 × 3,906.46
  4. Step 4: Simplify right side
    12,225.26x = 71,640,226.63
  5. Step 5: Solve for x
    x = 71,640,226.63/12,225.26
  6. Step 6: Final answer
    x = 5,860.02

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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.