Home / 12,664.90-18,997.37-3,304.91

Finding the Fourth Proportional to 12,664.90, 18,997.37 and 3,304.91

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Solution

The fourth proportional to 12,664.90, 18,997.37 and 3,304.91 is: 4,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.90 : 18,997.37 = 3,304.91 : x
  2. Step 2: Convert to fraction form
    12,664.90/18,997.37 = 3,304.91/x
  3. Step 3: Cross multiply
    12,664.90x = 18,997.37 × 3,304.91
  4. Step 4: Simplify right side
    12,664.90x = 62,784,629.06
  5. Step 5: Solve for x
    x = 62,784,629.06/12,664.90
  6. Step 6: Final answer
    x = 4,957.37

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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.