Home / 12,227.03-18,340.36-3,906.93

Finding the Fourth Proportional to 12,227.03, 18,340.36 and 3,906.93

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Solution

The fourth proportional to 12,227.03, 18,340.36 and 3,906.93 is: 5,860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.03 : 18,340.36 = 3,906.93 : x
  2. Step 2: Convert to fraction form
    12,227.03/18,340.36 = 3,906.93/x
  3. Step 3: Cross multiply
    12,227.03x = 18,340.36 × 3,906.93
  4. Step 4: Simplify right side
    12,227.03x = 71,654,502.69
  5. Step 5: Solve for x
    x = 71,654,502.69/12,227.03
  6. Step 6: Final answer
    x = 5,860.34

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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.