Home / 13,353.08-20,033.64-3,993.41

Finding the Fourth Proportional to 13,353.08, 20,033.64 and 3,993.41

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Solution

The fourth proportional to 13,353.08, 20,033.64 and 3,993.41 is: 5,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.08 : 20,033.64 = 3,993.41 : x
  2. Step 2: Convert to fraction form
    13,353.08/20,033.64 = 3,993.41/x
  3. Step 3: Cross multiply
    13,353.08x = 20,033.64 × 3,993.41
  4. Step 4: Simplify right side
    13,353.08x = 80,002,538.31
  5. Step 5: Solve for x
    x = 80,002,538.31/13,353.08
  6. Step 6: Final answer
    x = 5,991.32

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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.