Home / 11,709.27-17,559.49-3,809.72

Finding the Fourth Proportional to 11,709.27, 17,559.49 and 3,809.72

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Solution

The fourth proportional to 11,709.27, 17,559.49 and 3,809.72 is: 5,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.27 : 17,559.49 = 3,809.72 : x
  2. Step 2: Convert to fraction form
    11,709.27/17,559.49 = 3,809.72/x
  3. Step 3: Cross multiply
    11,709.27x = 17,559.49 × 3,809.72
  4. Step 4: Simplify right side
    11,709.27x = 66,896,740.24
  5. Step 5: Solve for x
    x = 66,896,740.24/11,709.27
  6. Step 6: Final answer
    x = 5,713.14

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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.