Home / 13,836.44-20,758.64-6,818.55

Finding the Fourth Proportional to 13,836.44, 20,758.64 and 6,818.55

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Solution

The fourth proportional to 13,836.44, 20,758.64 and 6,818.55 is: 10,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.44 : 20,758.64 = 6,818.55 : x
  2. Step 2: Convert to fraction form
    13,836.44/20,758.64 = 6,818.55/x
  3. Step 3: Cross multiply
    13,836.44x = 20,758.64 × 6,818.55
  4. Step 4: Simplify right side
    13,836.44x = 141,543,790.68
  5. Step 5: Solve for x
    x = 141,543,790.68/13,836.44
  6. Step 6: Final answer
    x = 10,229.79

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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.