Home / 21,496.62-29,665.64-11,806.88

Finding the Fourth Proportional to 21,496.62, 29,665.64 and 11,806.88

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Solution

The fourth proportional to 21,496.62, 29,665.64 and 11,806.88 is: 16,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.62 : 29,665.64 = 11,806.88 : x
  2. Step 2: Convert to fraction form
    21,496.62/29,665.64 = 11,806.88/x
  3. Step 3: Cross multiply
    21,496.62x = 29,665.64 × 11,806.88
  4. Step 4: Simplify right side
    21,496.62x = 350,258,532.79
  5. Step 5: Solve for x
    x = 350,258,532.79/21,496.62
  6. Step 6: Final answer
    x = 16,293.65

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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.