Home / 8,141.42-12,185.40-6,182.84

Finding the Fourth Proportional to 8,141.42, 12,185.40 and 6,182.84

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Solution

The fourth proportional to 8,141.42, 12,185.40 and 6,182.84 is: 9,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.42 : 12,185.40 = 6,182.84 : x
  2. Step 2: Convert to fraction form
    8,141.42/12,185.40 = 6,182.84/x
  3. Step 3: Cross multiply
    8,141.42x = 12,185.40 × 6,182.84
  4. Step 4: Simplify right side
    8,141.42x = 75,340,378.54
  5. Step 5: Solve for x
    x = 75,340,378.54/8,141.42
  6. Step 6: Final answer
    x = 9,253.96

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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.