Home / 11,747.68-17,619.81-3,425.46

Finding the Fourth Proportional to 11,747.68, 17,619.81 and 3,425.46

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Solution

The fourth proportional to 11,747.68, 17,619.81 and 3,425.46 is: 5,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.68 : 17,619.81 = 3,425.46 : x
  2. Step 2: Convert to fraction form
    11,747.68/17,619.81 = 3,425.46/x
  3. Step 3: Cross multiply
    11,747.68x = 17,619.81 × 3,425.46
  4. Step 4: Simplify right side
    11,747.68x = 60,355,937.24
  5. Step 5: Solve for x
    x = 60,355,937.24/11,747.68
  6. Step 6: Final answer
    x = 5,137.69

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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.