Home / 11,787.38-17,680.95-3,022.16

Finding the Fourth Proportional to 11,787.38, 17,680.95 and 3,022.16

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Solution

The fourth proportional to 11,787.38, 17,680.95 and 3,022.16 is: 4,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.38 : 17,680.95 = 3,022.16 : x
  2. Step 2: Convert to fraction form
    11,787.38/17,680.95 = 3,022.16/x
  3. Step 3: Cross multiply
    11,787.38x = 17,680.95 × 3,022.16
  4. Step 4: Simplify right side
    11,787.38x = 53,434,659.85
  5. Step 5: Solve for x
    x = 53,434,659.85/11,787.38
  6. Step 6: Final answer
    x = 4,533.21

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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.