Home / 13,403.27-20,105.04-4,043.37

Finding the Fourth Proportional to 13,403.27, 20,105.04 and 4,043.37

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Solution

The fourth proportional to 13,403.27, 20,105.04 and 4,043.37 is: 6,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.27 : 20,105.04 = 4,043.37 : x
  2. Step 2: Convert to fraction form
    13,403.27/20,105.04 = 4,043.37/x
  3. Step 3: Cross multiply
    13,403.27x = 20,105.04 × 4,043.37
  4. Step 4: Simplify right side
    13,403.27x = 81,292,046.41
  5. Step 5: Solve for x
    x = 81,292,046.41/13,403.27
  6. Step 6: Final answer
    x = 6,065.09

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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.