Home / 12,664.73-17,467.34-11,815.88

Finding the Fourth Proportional to 12,664.73, 17,467.34 and 11,815.88

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Solution

The fourth proportional to 12,664.73, 17,467.34 and 11,815.88 is: 16,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.73 : 17,467.34 = 11,815.88 : x
  2. Step 2: Convert to fraction form
    12,664.73/17,467.34 = 11,815.88/x
  3. Step 3: Cross multiply
    12,664.73x = 17,467.34 × 11,815.88
  4. Step 4: Simplify right side
    12,664.73x = 206,391,846.94
  5. Step 5: Solve for x
    x = 206,391,846.94/12,664.73
  6. Step 6: Final answer
    x = 16,296.59

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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.