Home / 11,380.30-17,078.18-6,984.34

Finding the Fourth Proportional to 11,380.30, 17,078.18 and 6,984.34

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Solution

The fourth proportional to 11,380.30, 17,078.18 and 6,984.34 is: 10,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.30 : 17,078.18 = 6,984.34 : x
  2. Step 2: Convert to fraction form
    11,380.30/17,078.18 = 6,984.34/x
  3. Step 3: Cross multiply
    11,380.30x = 17,078.18 × 6,984.34
  4. Step 4: Simplify right side
    11,380.30x = 119,279,815.70
  5. Step 5: Solve for x
    x = 119,279,815.70/11,380.30
  6. Step 6: Final answer
    x = 10,481.25

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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.