Home / 11,591.21-15,995.79-6,286.04

Finding the Fourth Proportional to 11,591.21, 15,995.79 and 6,286.04

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Solution

The fourth proportional to 11,591.21, 15,995.79 and 6,286.04 is: 8,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.21 : 15,995.79 = 6,286.04 : x
  2. Step 2: Convert to fraction form
    11,591.21/15,995.79 = 6,286.04/x
  3. Step 3: Cross multiply
    11,591.21x = 15,995.79 × 6,286.04
  4. Step 4: Simplify right side
    11,591.21x = 100,550,175.77
  5. Step 5: Solve for x
    x = 100,550,175.77/11,591.21
  6. Step 6: Final answer
    x = 8,674.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.