Home / 12,227.28-18,334.03-3,905.34

Finding the Fourth Proportional to 12,227.28, 18,334.03 and 3,905.34

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Solution

The fourth proportional to 12,227.28, 18,334.03 and 3,905.34 is: 5,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.28 : 18,334.03 = 3,905.34 : x
  2. Step 2: Convert to fraction form
    12,227.28/18,334.03 = 3,905.34/x
  3. Step 3: Cross multiply
    12,227.28x = 18,334.03 × 3,905.34
  4. Step 4: Simplify right side
    12,227.28x = 71,600,610.96
  5. Step 5: Solve for x
    x = 71,600,610.96/12,227.28
  6. Step 6: Final answer
    x = 5,855.81

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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.