Home / 11,905.68-17,869.59-6,066.66

Finding the Fourth Proportional to 11,905.68, 17,869.59 and 6,066.66

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Solution

The fourth proportional to 11,905.68, 17,869.59 and 6,066.66 is: 9,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.68 : 17,869.59 = 6,066.66 : x
  2. Step 2: Convert to fraction form
    11,905.68/17,869.59 = 6,066.66/x
  3. Step 3: Cross multiply
    11,905.68x = 17,869.59 × 6,066.66
  4. Step 4: Simplify right side
    11,905.68x = 108,408,726.87
  5. Step 5: Solve for x
    x = 108,408,726.87/11,905.68
  6. Step 6: Final answer
    x = 9,105.63

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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.