Home / 14,738.22-20,336.45-8,449.38

Finding the Fourth Proportional to 14,738.22, 20,336.45 and 8,449.38

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Solution

The fourth proportional to 14,738.22, 20,336.45 and 8,449.38 is: 11,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.22 : 20,336.45 = 8,449.38 : x
  2. Step 2: Convert to fraction form
    14,738.22/20,336.45 = 8,449.38/x
  3. Step 3: Cross multiply
    14,738.22x = 20,336.45 × 8,449.38
  4. Step 4: Simplify right side
    14,738.22x = 171,830,249.97
  5. Step 5: Solve for x
    x = 171,830,249.97/14,738.22
  6. Step 6: Final answer
    x = 11,658.82

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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.