Home / 11,221.23-16,834.73-3,430.02

Finding the Fourth Proportional to 11,221.23, 16,834.73 and 3,430.02

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Solution

The fourth proportional to 11,221.23, 16,834.73 and 3,430.02 is: 5,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.23 : 16,834.73 = 3,430.02 : x
  2. Step 2: Convert to fraction form
    11,221.23/16,834.73 = 3,430.02/x
  3. Step 3: Cross multiply
    11,221.23x = 16,834.73 × 3,430.02
  4. Step 4: Simplify right side
    11,221.23x = 57,743,443.44
  5. Step 5: Solve for x
    x = 57,743,443.44/11,221.23
  6. Step 6: Final answer
    x = 5,145.91

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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.