Home / 8,998.20-12,427.19-6,850.82

Finding the Fourth Proportional to 8,998.20, 12,427.19 and 6,850.82

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Solution

The fourth proportional to 8,998.20, 12,427.19 and 6,850.82 is: 9,461.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.20 : 12,427.19 = 6,850.82 : x
  2. Step 2: Convert to fraction form
    8,998.20/12,427.19 = 6,850.82/x
  3. Step 3: Cross multiply
    8,998.20x = 12,427.19 × 6,850.82
  4. Step 4: Simplify right side
    8,998.20x = 85,136,441.80
  5. Step 5: Solve for x
    x = 85,136,441.80/8,998.20
  6. Step 6: Final answer
    x = 9,461.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.