Home / 21,996.84-30,355.70-11,925.26

Finding the Fourth Proportional to 21,996.84, 30,355.70 and 11,925.26

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Solution

The fourth proportional to 21,996.84, 30,355.70 and 11,925.26 is: 16,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.84 : 30,355.70 = 11,925.26 : x
  2. Step 2: Convert to fraction form
    21,996.84/30,355.70 = 11,925.26/x
  3. Step 3: Cross multiply
    21,996.84x = 30,355.70 × 11,925.26
  4. Step 4: Simplify right side
    21,996.84x = 361,999,403.58
  5. Step 5: Solve for x
    x = 361,999,403.58/21,996.84
  6. Step 6: Final answer
    x = 16,456.88

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Similar ratio
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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.