Home / 8,009.40-11,998.18-6,269.88

Finding the Fourth Proportional to 8,009.40, 11,998.18 and 6,269.88

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Solution

The fourth proportional to 8,009.40, 11,998.18 and 6,269.88 is: 9,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,009.40 : 11,998.18 = 6,269.88 : x
  2. Step 2: Convert to fraction form
    8,009.40/11,998.18 = 6,269.88/x
  3. Step 3: Cross multiply
    8,009.40x = 11,998.18 × 6,269.88
  4. Step 4: Simplify right side
    8,009.40x = 75,227,148.82
  5. Step 5: Solve for x
    x = 75,227,148.82/8,009.40
  6. Step 6: Final answer
    x = 9,392.36

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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.