Home / 10,739.67-16,105.64-3,717.78

Finding the Fourth Proportional to 10,739.67, 16,105.64 and 3,717.78

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Solution

The fourth proportional to 10,739.67, 16,105.64 and 3,717.78 is: 5,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.67 : 16,105.64 = 3,717.78 : x
  2. Step 2: Convert to fraction form
    10,739.67/16,105.64 = 3,717.78/x
  3. Step 3: Cross multiply
    10,739.67x = 16,105.64 × 3,717.78
  4. Step 4: Simplify right side
    10,739.67x = 59,877,147.29
  5. Step 5: Solve for x
    x = 59,877,147.29/10,739.67
  6. Step 6: Final answer
    x = 5,575.33

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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.