Home / 12,441.96-18,660.90-3,674.82

Finding the Fourth Proportional to 12,441.96, 18,660.90 and 3,674.82

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Solution

The fourth proportional to 12,441.96, 18,660.90 and 3,674.82 is: 5,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.96 : 18,660.90 = 3,674.82 : x
  2. Step 2: Convert to fraction form
    12,441.96/18,660.90 = 3,674.82/x
  3. Step 3: Cross multiply
    12,441.96x = 18,660.90 × 3,674.82
  4. Step 4: Simplify right side
    12,441.96x = 68,575,448.54
  5. Step 5: Solve for x
    x = 68,575,448.54/12,441.96
  6. Step 6: Final answer
    x = 5,511.63

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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.