Home / 13,383.35-20,074.96-3,388.19

Finding the Fourth Proportional to 13,383.35, 20,074.96 and 3,388.19

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Solution

The fourth proportional to 13,383.35, 20,074.96 and 3,388.19 is: 5,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.35 : 20,074.96 = 3,388.19 : x
  2. Step 2: Convert to fraction form
    13,383.35/20,074.96 = 3,388.19/x
  3. Step 3: Cross multiply
    13,383.35x = 20,074.96 × 3,388.19
  4. Step 4: Simplify right side
    13,383.35x = 68,017,778.72
  5. Step 5: Solve for x
    x = 68,017,778.72/13,383.35
  6. Step 6: Final answer
    x = 5,082.27

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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.