Home / 12,664.62-18,998.15-3,304.80

Finding the Fourth Proportional to 12,664.62, 18,998.15 and 3,304.80

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Solution

The fourth proportional to 12,664.62, 18,998.15 and 3,304.80 is: 4,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.62 : 18,998.15 = 3,304.80 : x
  2. Step 2: Convert to fraction form
    12,664.62/18,998.15 = 3,304.80/x
  3. Step 3: Cross multiply
    12,664.62x = 18,998.15 × 3,304.80
  4. Step 4: Simplify right side
    12,664.62x = 62,785,069.60
  5. Step 5: Solve for x
    x = 62,785,069.60/12,664.62
  6. Step 6: Final answer
    x = 4,957.52

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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.