Home / 13,379.22-20,046.56-8,693.37

Finding the Fourth Proportional to 13,379.22, 20,046.56 and 8,693.37

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Solution

The fourth proportional to 13,379.22, 20,046.56 and 8,693.37 is: 13,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.22 : 20,046.56 = 8,693.37 : x
  2. Step 2: Convert to fraction form
    13,379.22/20,046.56 = 8,693.37/x
  3. Step 3: Cross multiply
    13,379.22x = 20,046.56 × 8,693.37
  4. Step 4: Simplify right side
    13,379.22x = 174,272,119.84
  5. Step 5: Solve for x
    x = 174,272,119.84/13,379.22
  6. Step 6: Final answer
    x = 13,025.58

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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.