Home / 13,633.20-20,449.80-9,696.60

Finding the Fourth Proportional to 13,633.20, 20,449.80 and 9,696.60

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Solution

The fourth proportional to 13,633.20, 20,449.80 and 9,696.60 is: 14,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.20 : 20,449.80 = 9,696.60 : x
  2. Step 2: Convert to fraction form
    13,633.20/20,449.80 = 9,696.60/x
  3. Step 3: Cross multiply
    13,633.20x = 20,449.80 × 9,696.60
  4. Step 4: Simplify right side
    13,633.20x = 198,293,530.68
  5. Step 5: Solve for x
    x = 198,293,530.68/13,633.20
  6. Step 6: Final answer
    x = 14,544.90

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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.