Home / 11,207.45-16,806.31-3,809.92

Finding the Fourth Proportional to 11,207.45, 16,806.31 and 3,809.92

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Solution

The fourth proportional to 11,207.45, 16,806.31 and 3,809.92 is: 5,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.45 : 16,806.31 = 3,809.92 : x
  2. Step 2: Convert to fraction form
    11,207.45/16,806.31 = 3,809.92/x
  3. Step 3: Cross multiply
    11,207.45x = 16,806.31 × 3,809.92
  4. Step 4: Simplify right side
    11,207.45x = 64,030,696.60
  5. Step 5: Solve for x
    x = 64,030,696.60/11,207.45
  6. Step 6: Final answer
    x = 5,713.23

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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.