Home / 12,633.84-18,949.26-3,874.80

Finding the Fourth Proportional to 12,633.84, 18,949.26 and 3,874.80

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Solution

The fourth proportional to 12,633.84, 18,949.26 and 3,874.80 is: 5,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.84 : 18,949.26 = 3,874.80 : x
  2. Step 2: Convert to fraction form
    12,633.84/18,949.26 = 3,874.80/x
  3. Step 3: Cross multiply
    12,633.84x = 18,949.26 × 3,874.80
  4. Step 4: Simplify right side
    12,633.84x = 73,424,592.65
  5. Step 5: Solve for x
    x = 73,424,592.65/12,633.84
  6. Step 6: Final answer
    x = 5,811.74

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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.