Home / 8,268.39-12,380.46-6,956.19

Finding the Fourth Proportional to 8,268.39, 12,380.46 and 6,956.19

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Solution

The fourth proportional to 8,268.39, 12,380.46 and 6,956.19 is: 10,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.39 : 12,380.46 = 6,956.19 : x
  2. Step 2: Convert to fraction form
    8,268.39/12,380.46 = 6,956.19/x
  3. Step 3: Cross multiply
    8,268.39x = 12,380.46 × 6,956.19
  4. Step 4: Simplify right side
    8,268.39x = 86,120,832.05
  5. Step 5: Solve for x
    x = 86,120,832.05/8,268.39
  6. Step 6: Final answer
    x = 10,415.67

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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.