Home / 11,771.20-17,660.84-7,383.52

Finding the Fourth Proportional to 11,771.20, 17,660.84 and 7,383.52

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Solution

The fourth proportional to 11,771.20, 17,660.84 and 7,383.52 is: 11,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.20 : 17,660.84 = 7,383.52 : x
  2. Step 2: Convert to fraction form
    11,771.20/17,660.84 = 7,383.52/x
  3. Step 3: Cross multiply
    11,771.20x = 17,660.84 × 7,383.52
  4. Step 4: Simplify right side
    11,771.20x = 130,399,165.36
  5. Step 5: Solve for x
    x = 130,399,165.36/11,771.20
  6. Step 6: Final answer
    x = 11,077.81

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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.