Home / 12,664.76-18,997.11-3,304.73

Finding the Fourth Proportional to 12,664.76, 18,997.11 and 3,304.73

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Solution

The fourth proportional to 12,664.76, 18,997.11 and 3,304.73 is: 4,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.76 : 18,997.11 = 3,304.73 : x
  2. Step 2: Convert to fraction form
    12,664.76/18,997.11 = 3,304.73/x
  3. Step 3: Cross multiply
    12,664.76x = 18,997.11 × 3,304.73
  4. Step 4: Simplify right side
    12,664.76x = 62,780,366.82
  5. Step 5: Solve for x
    x = 62,780,366.82/12,664.76
  6. Step 6: Final answer
    x = 4,957.09

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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.