Home / 9,896.31-14,850.44-5,219.78

Finding the Fourth Proportional to 9,896.31, 14,850.44 and 5,219.78

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Solution

The fourth proportional to 9,896.31, 14,850.44 and 5,219.78 is: 7,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,896.31 : 14,850.44 = 5,219.78 : x
  2. Step 2: Convert to fraction form
    9,896.31/14,850.44 = 5,219.78/x
  3. Step 3: Cross multiply
    9,896.31x = 14,850.44 × 5,219.78
  4. Step 4: Simplify right side
    9,896.31x = 77,515,929.35
  5. Step 5: Solve for x
    x = 77,515,929.35/9,896.31
  6. Step 6: Final answer
    x = 7,832.81

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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.