Home / 12,661.28-17,472.62-6,996.02

Finding the Fourth Proportional to 12,661.28, 17,472.62 and 6,996.02

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Solution

The fourth proportional to 12,661.28, 17,472.62 and 6,996.02 is: 9,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661.28 : 17,472.62 = 6,996.02 : x
  2. Step 2: Convert to fraction form
    12,661.28/17,472.62 = 6,996.02/x
  3. Step 3: Cross multiply
    12,661.28x = 17,472.62 × 6,996.02
  4. Step 4: Simplify right side
    12,661.28x = 122,238,798.97
  5. Step 5: Solve for x
    x = 122,238,798.97/12,661.28
  6. Step 6: Final answer
    x = 9,654.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.