Home / 8,092.40-12,124.20-6,623.60

Finding the Fourth Proportional to 8,092.40, 12,124.20 and 6,623.60

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Solution

The fourth proportional to 8,092.40, 12,124.20 and 6,623.60 is: 9,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092.40 : 12,124.20 = 6,623.60 : x
  2. Step 2: Convert to fraction form
    8,092.40/12,124.20 = 6,623.60/x
  3. Step 3: Cross multiply
    8,092.40x = 12,124.20 × 6,623.60
  4. Step 4: Simplify right side
    8,092.40x = 80,305,851.12
  5. Step 5: Solve for x
    x = 80,305,851.12/8,092.40
  6. Step 6: Final answer
    x = 9,923.61

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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.