Home / 13,207.25-19,812.20-3,847.37

Finding the Fourth Proportional to 13,207.25, 19,812.20 and 3,847.37

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Solution

The fourth proportional to 13,207.25, 19,812.20 and 3,847.37 is: 5,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.25 : 19,812.20 = 3,847.37 : x
  2. Step 2: Convert to fraction form
    13,207.25/19,812.20 = 3,847.37/x
  3. Step 3: Cross multiply
    13,207.25x = 19,812.20 × 3,847.37
  4. Step 4: Simplify right side
    13,207.25x = 76,224,745.62
  5. Step 5: Solve for x
    x = 76,224,745.62/13,207.25
  6. Step 6: Final answer
    x = 5,771.43

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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.