Home / 11,502.36-17,229.64-7,321.68

Finding the Fourth Proportional to 11,502.36, 17,229.64 and 7,321.68

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Solution

The fourth proportional to 11,502.36, 17,229.64 and 7,321.68 is: 10,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.36 : 17,229.64 = 7,321.68 : x
  2. Step 2: Convert to fraction form
    11,502.36/17,229.64 = 7,321.68/x
  3. Step 3: Cross multiply
    11,502.36x = 17,229.64 × 7,321.68
  4. Step 4: Simplify right side
    11,502.36x = 126,149,910.60
  5. Step 5: Solve for x
    x = 126,149,910.60/11,502.36
  6. Step 6: Final answer
    x = 10,967.31

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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.