Home / 12,454.82-17,187.22-6,789.46

Finding the Fourth Proportional to 12,454.82, 17,187.22 and 6,789.46

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Solution

The fourth proportional to 12,454.82, 17,187.22 and 6,789.46 is: 9,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.82 : 17,187.22 = 6,789.46 : x
  2. Step 2: Convert to fraction form
    12,454.82/17,187.22 = 6,789.46/x
  3. Step 3: Cross multiply
    12,454.82x = 17,187.22 × 6,789.46
  4. Step 4: Simplify right side
    12,454.82x = 116,691,942.70
  5. Step 5: Solve for x
    x = 116,691,942.70/12,454.82
  6. Step 6: Final answer
    x = 9,369.22

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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.