Home / 10,896.67-16,342.12-2,997.31

Finding the Fourth Proportional to 10,896.67, 16,342.12 and 2,997.31

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Solution

The fourth proportional to 10,896.67, 16,342.12 and 2,997.31 is: 4,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.67 : 16,342.12 = 2,997.31 : x
  2. Step 2: Convert to fraction form
    10,896.67/16,342.12 = 2,997.31/x
  3. Step 3: Cross multiply
    10,896.67x = 16,342.12 × 2,997.31
  4. Step 4: Simplify right side
    10,896.67x = 48,982,399.70
  5. Step 5: Solve for x
    x = 48,982,399.70/10,896.67
  6. Step 6: Final answer
    x = 4,495.17

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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.