Home / 11,721.76-17,549.44-9,369.60

Finding the Fourth Proportional to 11,721.76, 17,549.44 and 9,369.60

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Solution

The fourth proportional to 11,721.76, 17,549.44 and 9,369.60 is: 14,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.76 : 17,549.44 = 9,369.60 : x
  2. Step 2: Convert to fraction form
    11,721.76/17,549.44 = 9,369.60/x
  3. Step 3: Cross multiply
    11,721.76x = 17,549.44 × 9,369.60
  4. Step 4: Simplify right side
    11,721.76x = 164,431,233.02
  5. Step 5: Solve for x
    x = 164,431,233.02/11,721.76
  6. Step 6: Final answer
    x = 14,027.86

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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.