Home / 22,044.75-30,420.93-11,972.97

Finding the Fourth Proportional to 22,044.75, 30,420.93 and 11,972.97

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Solution

The fourth proportional to 22,044.75, 30,420.93 and 11,972.97 is: 16,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.75 : 30,420.93 = 11,972.97 : x
  2. Step 2: Convert to fraction form
    22,044.75/30,420.93 = 11,972.97/x
  3. Step 3: Cross multiply
    22,044.75x = 30,420.93 × 11,972.97
  4. Step 4: Simplify right side
    22,044.75x = 364,228,882.26
  5. Step 5: Solve for x
    x = 364,228,882.26/22,044.75
  6. Step 6: Final answer
    x = 16,522.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.