Home / 14,221.20-21,322.68-5,906.96

Finding the Fourth Proportional to 14,221.20, 21,322.68 and 5,906.96

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Solution

The fourth proportional to 14,221.20, 21,322.68 and 5,906.96 is: 8,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.20 : 21,322.68 = 5,906.96 : x
  2. Step 2: Convert to fraction form
    14,221.20/21,322.68 = 5,906.96/x
  3. Step 3: Cross multiply
    14,221.20x = 21,322.68 × 5,906.96
  4. Step 4: Simplify right side
    14,221.20x = 125,952,217.85
  5. Step 5: Solve for x
    x = 125,952,217.85/14,221.20
  6. Step 6: Final answer
    x = 8,856.65

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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.