Home / 11,221.26-16,832.13-3,430.08

Finding the Fourth Proportional to 11,221.26, 16,832.13 and 3,430.08

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Solution

The fourth proportional to 11,221.26, 16,832.13 and 3,430.08 is: 5,145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.26 : 16,832.13 = 3,430.08 : x
  2. Step 2: Convert to fraction form
    11,221.26/16,832.13 = 3,430.08/x
  3. Step 3: Cross multiply
    11,221.26x = 16,832.13 × 3,430.08
  4. Step 4: Simplify right side
    11,221.26x = 57,735,552.47
  5. Step 5: Solve for x
    x = 57,735,552.47/11,221.26
  6. Step 6: Final answer
    x = 5,145.19

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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.