Home / 13,393.30-20,089.84-4,033.28

Finding the Fourth Proportional to 13,393.30, 20,089.84 and 4,033.28

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Solution

The fourth proportional to 13,393.30, 20,089.84 and 4,033.28 is: 6,049.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.30 : 20,089.84 = 4,033.28 : x
  2. Step 2: Convert to fraction form
    13,393.30/20,089.84 = 4,033.28/x
  3. Step 3: Cross multiply
    13,393.30x = 20,089.84 × 4,033.28
  4. Step 4: Simplify right side
    13,393.30x = 81,027,949.88
  5. Step 5: Solve for x
    x = 81,027,949.88/13,393.30
  6. Step 6: Final answer
    x = 6,049.89

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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.