Home / 11,787.65-17,680.26-3,996.26

Finding the Fourth Proportional to 11,787.65, 17,680.26 and 3,996.26

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Solution

The fourth proportional to 11,787.65, 17,680.26 and 3,996.26 is: 5,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.65 : 17,680.26 = 3,996.26 : x
  2. Step 2: Convert to fraction form
    11,787.65/17,680.26 = 3,996.26/x
  3. Step 3: Cross multiply
    11,787.65x = 17,680.26 × 3,996.26
  4. Step 4: Simplify right side
    11,787.65x = 70,654,915.83
  5. Step 5: Solve for x
    x = 70,654,915.83/11,787.65
  6. Step 6: Final answer
    x = 5,993.98

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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.