Home / 12,222.97-18,334.05-3,903.49

Finding the Fourth Proportional to 12,222.97, 18,334.05 and 3,903.49

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Solution

The fourth proportional to 12,222.97, 18,334.05 and 3,903.49 is: 5,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222.97 : 18,334.05 = 3,903.49 : x
  2. Step 2: Convert to fraction form
    12,222.97/18,334.05 = 3,903.49/x
  3. Step 3: Cross multiply
    12,222.97x = 18,334.05 × 3,903.49
  4. Step 4: Simplify right side
    12,222.97x = 71,566,789.11
  5. Step 5: Solve for x
    x = 71,566,789.11/12,222.97
  6. Step 6: Final answer
    x = 5,855.11

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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.