Home / 22,208.40-33,321.82-9,721.99

Finding the Fourth Proportional to 22,208.40, 33,321.82 and 9,721.99

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Solution

The fourth proportional to 22,208.40, 33,321.82 and 9,721.99 is: 14,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.40 : 33,321.82 = 9,721.99 : x
  2. Step 2: Convert to fraction form
    22,208.40/33,321.82 = 9,721.99/x
  3. Step 3: Cross multiply
    22,208.40x = 33,321.82 × 9,721.99
  4. Step 4: Simplify right side
    22,208.40x = 323,954,400.82
  5. Step 5: Solve for x
    x = 323,954,400.82/22,208.40
  6. Step 6: Final answer
    x = 14,587.02

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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.