Home / 20,308.44-30,462.60-7,157.64

Finding the Fourth Proportional to 20,308.44, 30,462.60 and 7,157.64

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Solution

The fourth proportional to 20,308.44, 30,462.60 and 7,157.64 is: 10,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,308.44 : 30,462.60 = 7,157.64 : x
  2. Step 2: Convert to fraction form
    20,308.44/30,462.60 = 7,157.64/x
  3. Step 3: Cross multiply
    20,308.44x = 30,462.60 × 7,157.64
  4. Step 4: Simplify right side
    20,308.44x = 218,040,324.26
  5. Step 5: Solve for x
    x = 218,040,324.26/20,308.44
  6. Step 6: Final answer
    x = 10,736.44

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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.