Home / 8,014.20-11,999.70-6,286.20

Finding the Fourth Proportional to 8,014.20, 11,999.70 and 6,286.20

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Solution

The fourth proportional to 8,014.20, 11,999.70 and 6,286.20 is: 9,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.20 : 11,999.70 = 6,286.20 : x
  2. Step 2: Convert to fraction form
    8,014.20/11,999.70 = 6,286.20/x
  3. Step 3: Cross multiply
    8,014.20x = 11,999.70 × 6,286.20
  4. Step 4: Simplify right side
    8,014.20x = 75,432,514.14
  5. Step 5: Solve for x
    x = 75,432,514.14/8,014.20
  6. Step 6: Final answer
    x = 9,412.36

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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.