Home / 11,325.20-16,989.62-3,934.04

Finding the Fourth Proportional to 11,325.20, 16,989.62 and 3,934.04

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Solution

The fourth proportional to 11,325.20, 16,989.62 and 3,934.04 is: 5,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.20 : 16,989.62 = 3,934.04 : x
  2. Step 2: Convert to fraction form
    11,325.20/16,989.62 = 3,934.04/x
  3. Step 3: Cross multiply
    11,325.20x = 16,989.62 × 3,934.04
  4. Step 4: Simplify right side
    11,325.20x = 66,837,844.66
  5. Step 5: Solve for x
    x = 66,837,844.66/11,325.20
  6. Step 6: Final answer
    x = 5,901.69

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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.