Home / 10,121.86-15,183.06-3,548.44

Finding the Fourth Proportional to 10,121.86, 15,183.06 and 3,548.44

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Solution

The fourth proportional to 10,121.86, 15,183.06 and 3,548.44 is: 5,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.86 : 15,183.06 = 3,548.44 : x
  2. Step 2: Convert to fraction form
    10,121.86/15,183.06 = 3,548.44/x
  3. Step 3: Cross multiply
    10,121.86x = 15,183.06 × 3,548.44
  4. Step 4: Simplify right side
    10,121.86x = 53,876,177.43
  5. Step 5: Solve for x
    x = 53,876,177.43/10,121.86
  6. Step 6: Final answer
    x = 5,322.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.