Home / 14,617.69-20,171.19-8,243.92

Finding the Fourth Proportional to 14,617.69, 20,171.19 and 8,243.92

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Solution

The fourth proportional to 14,617.69, 20,171.19 and 8,243.92 is: 11,375.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.69 : 20,171.19 = 8,243.92 : x
  2. Step 2: Convert to fraction form
    14,617.69/20,171.19 = 8,243.92/x
  3. Step 3: Cross multiply
    14,617.69x = 20,171.19 × 8,243.92
  4. Step 4: Simplify right side
    14,617.69x = 166,289,676.66
  5. Step 5: Solve for x
    x = 166,289,676.66/14,617.69
  6. Step 6: Final answer
    x = 11,375.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.