Home / 13,837.88-20,756.82-3,449.64

Finding the Fourth Proportional to 13,837.88, 20,756.82 and 3,449.64

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Solution

The fourth proportional to 13,837.88, 20,756.82 and 3,449.64 is: 5,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.88 : 20,756.82 = 3,449.64 : x
  2. Step 2: Convert to fraction form
    13,837.88/20,756.82 = 3,449.64/x
  3. Step 3: Cross multiply
    13,837.88x = 20,756.82 × 3,449.64
  4. Step 4: Simplify right side
    13,837.88x = 71,603,556.54
  5. Step 5: Solve for x
    x = 71,603,556.54/13,837.88
  6. Step 6: Final answer
    x = 5,174.46

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Similar ratio
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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.