Home / 10,194.78-15,267.45-5,183.97

Finding the Fourth Proportional to 10,194.78, 15,267.45 and 5,183.97

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Solution

The fourth proportional to 10,194.78, 15,267.45 and 5,183.97 is: 7,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,194.78 : 15,267.45 = 5,183.97 : x
  2. Step 2: Convert to fraction form
    10,194.78/15,267.45 = 5,183.97/x
  3. Step 3: Cross multiply
    10,194.78x = 15,267.45 × 5,183.97
  4. Step 4: Simplify right side
    10,194.78x = 79,146,002.78
  5. Step 5: Solve for x
    x = 79,146,002.78/10,194.78
  6. Step 6: Final answer
    x = 7,763.39

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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.