Home / 11,221.06-16,834.06-3,430.48

Finding the Fourth Proportional to 11,221.06, 16,834.06 and 3,430.48

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Solution

The fourth proportional to 11,221.06, 16,834.06 and 3,430.48 is: 5,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.06 : 16,834.06 = 3,430.48 : x
  2. Step 2: Convert to fraction form
    11,221.06/16,834.06 = 3,430.48/x
  3. Step 3: Cross multiply
    11,221.06x = 16,834.06 × 3,430.48
  4. Step 4: Simplify right side
    11,221.06x = 57,748,906.15
  5. Step 5: Solve for x
    x = 57,748,906.15/11,221.06
  6. Step 6: Final answer
    x = 5,146.48

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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.