Home / 13,851.69-20,789.33-5,537.54

Finding the Fourth Proportional to 13,851.69, 20,789.33 and 5,537.54

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Solution

The fourth proportional to 13,851.69, 20,789.33 and 5,537.54 is: 8,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.69 : 20,789.33 = 5,537.54 : x
  2. Step 2: Convert to fraction form
    13,851.69/20,789.33 = 5,537.54/x
  3. Step 3: Cross multiply
    13,851.69x = 20,789.33 × 5,537.54
  4. Step 4: Simplify right side
    13,851.69x = 115,121,614.81
  5. Step 5: Solve for x
    x = 115,121,614.81/13,851.69
  6. Step 6: Final answer
    x = 8,311.02

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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.