Home / 11,621.43-17,418.30-5,372.68

Finding the Fourth Proportional to 11,621.43, 17,418.30 and 5,372.68

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Solution

The fourth proportional to 11,621.43, 17,418.30 and 5,372.68 is: 8,052.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.43 : 17,418.30 = 5,372.68 : x
  2. Step 2: Convert to fraction form
    11,621.43/17,418.30 = 5,372.68/x
  3. Step 3: Cross multiply
    11,621.43x = 17,418.30 × 5,372.68
  4. Step 4: Simplify right side
    11,621.43x = 93,582,952.04
  5. Step 5: Solve for x
    x = 93,582,952.04/11,621.43
  6. Step 6: Final answer
    x = 8,052.62

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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.