Home / 12,229.26-18,354.69-6,687.66

Finding the Fourth Proportional to 12,229.26, 18,354.69 and 6,687.66

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Solution

The fourth proportional to 12,229.26, 18,354.69 and 6,687.66 is: 10,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.26 : 18,354.69 = 6,687.66 : x
  2. Step 2: Convert to fraction form
    12,229.26/18,354.69 = 6,687.66/x
  3. Step 3: Cross multiply
    12,229.26x = 18,354.69 × 6,687.66
  4. Step 4: Simplify right side
    12,229.26x = 122,749,926.13
  5. Step 5: Solve for x
    x = 122,749,926.13/12,229.26
  6. Step 6: Final answer
    x = 10,037.40

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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.