Home / 11,771.35-17,641.44-5,520.17

Finding the Fourth Proportional to 11,771.35, 17,641.44 and 5,520.17

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Solution

The fourth proportional to 11,771.35, 17,641.44 and 5,520.17 is: 8,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.35 : 17,641.44 = 5,520.17 : x
  2. Step 2: Convert to fraction form
    11,771.35/17,641.44 = 5,520.17/x
  3. Step 3: Cross multiply
    11,771.35x = 17,641.44 × 5,520.17
  4. Step 4: Simplify right side
    11,771.35x = 97,383,747.84
  5. Step 5: Solve for x
    x = 97,383,747.84/11,771.35
  6. Step 6: Final answer
    x = 8,272.95

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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.