Home / 11,709.24-17,561.21-3,387.41

Finding the Fourth Proportional to 11,709.24, 17,561.21 and 3,387.41

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Solution

The fourth proportional to 11,709.24, 17,561.21 and 3,387.41 is: 5,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.24 : 17,561.21 = 3,387.41 : x
  2. Step 2: Convert to fraction form
    11,709.24/17,561.21 = 3,387.41/x
  3. Step 3: Cross multiply
    11,709.24x = 17,561.21 × 3,387.41
  4. Step 4: Simplify right side
    11,709.24x = 59,486,913.62
  5. Step 5: Solve for x
    x = 59,486,913.62/11,709.24
  6. Step 6: Final answer
    x = 5,080.34

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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.