Home / 8,163.43-12,236.19-4,214.99

Finding the Fourth Proportional to 8,163.43, 12,236.19 and 4,214.99

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Solution

The fourth proportional to 8,163.43, 12,236.19 and 4,214.99 is: 6,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.43 : 12,236.19 = 4,214.99 : x
  2. Step 2: Convert to fraction form
    8,163.43/12,236.19 = 4,214.99/x
  3. Step 3: Cross multiply
    8,163.43x = 12,236.19 × 4,214.99
  4. Step 4: Simplify right side
    8,163.43x = 51,575,364.44
  5. Step 5: Solve for x
    x = 51,575,364.44/8,163.43
  6. Step 6: Final answer
    x = 6,317.85

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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.