Home / 11,581.45-17,372.04-2,816.37

Finding the Fourth Proportional to 11,581.45, 17,372.04 and 2,816.37

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Solution

The fourth proportional to 11,581.45, 17,372.04 and 2,816.37 is: 4,224.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.45 : 17,372.04 = 2,816.37 : x
  2. Step 2: Convert to fraction form
    11,581.45/17,372.04 = 2,816.37/x
  3. Step 3: Cross multiply
    11,581.45x = 17,372.04 × 2,816.37
  4. Step 4: Simplify right side
    11,581.45x = 48,926,092.29
  5. Step 5: Solve for x
    x = 48,926,092.29/11,581.45
  6. Step 6: Final answer
    x = 4,224.52

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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.