Home / 11,839.74-17,764.88-6,291.74

Finding the Fourth Proportional to 11,839.74, 17,764.88 and 6,291.74

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Solution

The fourth proportional to 11,839.74, 17,764.88 and 6,291.74 is: 9,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.74 : 17,764.88 = 6,291.74 : x
  2. Step 2: Convert to fraction form
    11,839.74/17,764.88 = 6,291.74/x
  3. Step 3: Cross multiply
    11,839.74x = 17,764.88 × 6,291.74
  4. Step 4: Simplify right side
    11,839.74x = 111,772,006.09
  5. Step 5: Solve for x
    x = 111,772,006.09/11,839.74
  6. Step 6: Final answer
    x = 9,440.41

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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.