Home / 12,169.44-18,247.55-3,847.10

Finding the Fourth Proportional to 12,169.44, 18,247.55 and 3,847.10

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Solution

The fourth proportional to 12,169.44, 18,247.55 and 3,847.10 is: 5,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.44 : 18,247.55 = 3,847.10 : x
  2. Step 2: Convert to fraction form
    12,169.44/18,247.55 = 3,847.10/x
  3. Step 3: Cross multiply
    12,169.44x = 18,247.55 × 3,847.10
  4. Step 4: Simplify right side
    12,169.44x = 70,200,039.13
  5. Step 5: Solve for x
    x = 70,200,039.13/12,169.44
  6. Step 6: Final answer
    x = 5,768.55

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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.