Home / 8,188.60-12,270.30-6,098.80

Finding the Fourth Proportional to 8,188.60, 12,270.30 and 6,098.80

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Solution

The fourth proportional to 8,188.60, 12,270.30 and 6,098.80 is: 9,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.60 : 12,270.30 = 6,098.80 : x
  2. Step 2: Convert to fraction form
    8,188.60/12,270.30 = 6,098.80/x
  3. Step 3: Cross multiply
    8,188.60x = 12,270.30 × 6,098.80
  4. Step 4: Simplify right side
    8,188.60x = 74,834,105.64
  5. Step 5: Solve for x
    x = 74,834,105.64/8,188.60
  6. Step 6: Final answer
    x = 9,138.82

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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.