Home / 10,183.36-15,272.61-7,442.32

Finding the Fourth Proportional to 10,183.36, 15,272.61 and 7,442.32

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Solution

The fourth proportional to 10,183.36, 15,272.61 and 7,442.32 is: 11,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.36 : 15,272.61 = 7,442.32 : x
  2. Step 2: Convert to fraction form
    10,183.36/15,272.61 = 7,442.32/x
  3. Step 3: Cross multiply
    10,183.36x = 15,272.61 × 7,442.32
  4. Step 4: Simplify right side
    10,183.36x = 113,663,650.86
  5. Step 5: Solve for x
    x = 113,663,650.86/10,183.36
  6. Step 6: Final answer
    x = 11,161.70

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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.