Home / 8,268.81-12,336.15-7,591.44

Finding the Fourth Proportional to 8,268.81, 12,336.15 and 7,591.44

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Solution

The fourth proportional to 8,268.81, 12,336.15 and 7,591.44 is: 11,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.81 : 12,336.15 = 7,591.44 : x
  2. Step 2: Convert to fraction form
    8,268.81/12,336.15 = 7,591.44/x
  3. Step 3: Cross multiply
    8,268.81x = 12,336.15 × 7,591.44
  4. Step 4: Simplify right side
    8,268.81x = 93,649,142.56
  5. Step 5: Solve for x
    x = 93,649,142.56/8,268.81
  6. Step 6: Final answer
    x = 11,325.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.