Home / 11,327.88-15,629.96-6,851.54

Finding the Fourth Proportional to 11,327.88, 15,629.96 and 6,851.54

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Solution

The fourth proportional to 11,327.88, 15,629.96 and 6,851.54 is: 9,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.88 : 15,629.96 = 6,851.54 : x
  2. Step 2: Convert to fraction form
    11,327.88/15,629.96 = 6,851.54/x
  3. Step 3: Cross multiply
    11,327.88x = 15,629.96 × 6,851.54
  4. Step 4: Simplify right side
    11,327.88x = 107,089,183.73
  5. Step 5: Solve for x
    x = 107,089,183.73/11,327.88
  6. Step 6: Final answer
    x = 9,453.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.