Home / 11,380.55-17,078.57-6,984.59

Finding the Fourth Proportional to 11,380.55, 17,078.57 and 6,984.59

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Solution

The fourth proportional to 11,380.55, 17,078.57 and 6,984.59 is: 10,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.55 : 17,078.57 = 6,984.59 : x
  2. Step 2: Convert to fraction form
    11,380.55/17,078.57 = 6,984.59/x
  3. Step 3: Cross multiply
    11,380.55x = 17,078.57 × 6,984.59
  4. Step 4: Simplify right side
    11,380.55x = 119,286,688.92
  5. Step 5: Solve for x
    x = 119,286,688.92/11,380.55
  6. Step 6: Final answer
    x = 10,481.63

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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.