Home / 11,221.73-16,835.48-3,430.52

Finding the Fourth Proportional to 11,221.73, 16,835.48 and 3,430.52

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Solution

The fourth proportional to 11,221.73, 16,835.48 and 3,430.52 is: 5,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.73 : 16,835.48 = 3,430.52 : x
  2. Step 2: Convert to fraction form
    11,221.73/16,835.48 = 3,430.52/x
  3. Step 3: Cross multiply
    11,221.73x = 16,835.48 × 3,430.52
  4. Step 4: Simplify right side
    11,221.73x = 57,754,433.70
  5. Step 5: Solve for x
    x = 57,754,433.70/11,221.73
  6. Step 6: Final answer
    x = 5,146.66

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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.