Home / 11,971.92-17,957.64-5,393.46

Finding the Fourth Proportional to 11,971.92, 17,957.64 and 5,393.46

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Solution

The fourth proportional to 11,971.92, 17,957.64 and 5,393.46 is: 8,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.92 : 17,957.64 = 5,393.46 : x
  2. Step 2: Convert to fraction form
    11,971.92/17,957.64 = 5,393.46/x
  3. Step 3: Cross multiply
    11,971.92x = 17,957.64 × 5,393.46
  4. Step 4: Simplify right side
    11,971.92x = 96,853,813.03
  5. Step 5: Solve for x
    x = 96,853,813.03/11,971.92
  6. Step 6: Final answer
    x = 8,090.08

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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.