Home / 13,550.82-20,321.01-5,433.95

Finding the Fourth Proportional to 13,550.82, 20,321.01 and 5,433.95

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Solution

The fourth proportional to 13,550.82, 20,321.01 and 5,433.95 is: 8,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.82 : 20,321.01 = 5,433.95 : x
  2. Step 2: Convert to fraction form
    13,550.82/20,321.01 = 5,433.95/x
  3. Step 3: Cross multiply
    13,550.82x = 20,321.01 × 5,433.95
  4. Step 4: Simplify right side
    13,550.82x = 110,423,250.68
  5. Step 5: Solve for x
    x = 110,423,250.68/13,550.82
  6. Step 6: Final answer
    x = 8,148.82

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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.