Home / 13,550.40-20,305.44-8,004.96

Finding the Fourth Proportional to 13,550.40, 20,305.44 and 8,004.96

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Solution

The fourth proportional to 13,550.40, 20,305.44 and 8,004.96 is: 11,995.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.40 : 20,305.44 = 8,004.96 : x
  2. Step 2: Convert to fraction form
    13,550.40/20,305.44 = 8,004.96/x
  3. Step 3: Cross multiply
    13,550.40x = 20,305.44 × 8,004.96
  4. Step 4: Simplify right side
    13,550.40x = 162,544,234.98
  5. Step 5: Solve for x
    x = 162,544,234.98/13,550.40
  6. Step 6: Final answer
    x = 11,995.53

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1.5x scale

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.