Home / 11,531.05-17,299-3,739.25

Finding the Fourth Proportional to 11,531.05, 17,299 and 3,739.25

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Solution

The fourth proportional to 11,531.05, 17,299 and 3,739.25 is: 5,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.05 : 17,299 = 3,739.25 : x
  2. Step 2: Convert to fraction form
    11,531.05/17,299 = 3,739.25/x
  3. Step 3: Cross multiply
    11,531.05x = 17,299 × 3,739.25
  4. Step 4: Simplify right side
    11,531.05x = 64,685,285.75
  5. Step 5: Solve for x
    x = 64,685,285.75/11,531.05
  6. Step 6: Final answer
    x = 5,609.66

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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.