Home / 12,227.87-18,334.92-3,905.93

Finding the Fourth Proportional to 12,227.87, 18,334.92 and 3,905.93

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Solution

The fourth proportional to 12,227.87, 18,334.92 and 3,905.93 is: 5,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.87 : 18,334.92 = 3,905.93 : x
  2. Step 2: Convert to fraction form
    12,227.87/18,334.92 = 3,905.93/x
  3. Step 3: Cross multiply
    12,227.87x = 18,334.92 × 3,905.93
  4. Step 4: Simplify right side
    12,227.87x = 71,614,914.08
  5. Step 5: Solve for x
    x = 71,614,914.08/12,227.87
  6. Step 6: Final answer
    x = 5,856.70

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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.