Home / 11,018.62-16,528.99-3,621.29

Finding the Fourth Proportional to 11,018.62, 16,528.99 and 3,621.29

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Solution

The fourth proportional to 11,018.62, 16,528.99 and 3,621.29 is: 5,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.62 : 16,528.99 = 3,621.29 : x
  2. Step 2: Convert to fraction form
    11,018.62/16,528.99 = 3,621.29/x
  3. Step 3: Cross multiply
    11,018.62x = 16,528.99 × 3,621.29
  4. Step 4: Simplify right side
    11,018.62x = 59,856,266.20
  5. Step 5: Solve for x
    x = 59,856,266.20/11,018.62
  6. Step 6: Final answer
    x = 5,432.28

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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.