Home / 11,860.76-17,785.67-3,538.62

Finding the Fourth Proportional to 11,860.76, 17,785.67 and 3,538.62

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Solution

The fourth proportional to 11,860.76, 17,785.67 and 3,538.62 is: 5,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.76 : 17,785.67 = 3,538.62 : x
  2. Step 2: Convert to fraction form
    11,860.76/17,785.67 = 3,538.62/x
  3. Step 3: Cross multiply
    11,860.76x = 17,785.67 × 3,538.62
  4. Step 4: Simplify right side
    11,860.76x = 62,936,709.88
  5. Step 5: Solve for x
    x = 62,936,709.88/11,860.76
  6. Step 6: Final answer
    x = 5,306.30

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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.