Home / 12,664.30-18,996.46-3,304.29

Finding the Fourth Proportional to 12,664.30, 18,996.46 and 3,304.29

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Solution

The fourth proportional to 12,664.30, 18,996.46 and 3,304.29 is: 4,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.30 : 18,996.46 = 3,304.29 : x
  2. Step 2: Convert to fraction form
    12,664.30/18,996.46 = 3,304.29/x
  3. Step 3: Cross multiply
    12,664.30x = 18,996.46 × 3,304.29
  4. Step 4: Simplify right side
    12,664.30x = 62,769,875.79
  5. Step 5: Solve for x
    x = 62,769,875.79/12,664.30
  6. Step 6: Final answer
    x = 4,956.44

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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.