Home / 11,531.49-17,299.66-3,739.69

Finding the Fourth Proportional to 11,531.49, 17,299.66 and 3,739.69

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Solution

The fourth proportional to 11,531.49, 17,299.66 and 3,739.69 is: 5,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.49 : 17,299.66 = 3,739.69 : x
  2. Step 2: Convert to fraction form
    11,531.49/17,299.66 = 3,739.69/x
  3. Step 3: Cross multiply
    11,531.49x = 17,299.66 × 3,739.69
  4. Step 4: Simplify right side
    11,531.49x = 64,695,346.81
  5. Step 5: Solve for x
    x = 64,695,346.81/11,531.49
  6. Step 6: Final answer
    x = 5,610.32

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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.