Home / 11,976.34-17,962.32-4,187.38

Finding the Fourth Proportional to 11,976.34, 17,962.32 and 4,187.38

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Solution

The fourth proportional to 11,976.34, 17,962.32 and 4,187.38 is: 6,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.34 : 17,962.32 = 4,187.38 : x
  2. Step 2: Convert to fraction form
    11,976.34/17,962.32 = 4,187.38/x
  3. Step 3: Cross multiply
    11,976.34x = 17,962.32 × 4,187.38
  4. Step 4: Simplify right side
    11,976.34x = 75,215,059.52
  5. Step 5: Solve for x
    x = 75,215,059.52/11,976.34
  6. Step 6: Final answer
    x = 6,280.30

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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.