Home / 13,353.35-20,029.73-3,993.39

Finding the Fourth Proportional to 13,353.35, 20,029.73 and 3,993.39

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Solution

The fourth proportional to 13,353.35, 20,029.73 and 3,993.39 is: 5,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.35 : 20,029.73 = 3,993.39 : x
  2. Step 2: Convert to fraction form
    13,353.35/20,029.73 = 3,993.39/x
  3. Step 3: Cross multiply
    13,353.35x = 20,029.73 × 3,993.39
  4. Step 4: Simplify right side
    13,353.35x = 79,986,503.52
  5. Step 5: Solve for x
    x = 79,986,503.52/13,353.35
  6. Step 6: Final answer
    x = 5,990.00

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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.