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Finding the Fourth Proportional to 22,503.84, 33,759.41 and 6,921.46

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Solution

The fourth proportional to 22,503.84, 33,759.41 and 6,921.46 is: 10,383.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503.84 : 33,759.41 = 6,921.46 : x
  2. Step 2: Convert to fraction form
    22,503.84/33,759.41 = 6,921.46/x
  3. Step 3: Cross multiply
    22,503.84x = 33,759.41 × 6,921.46
  4. Step 4: Simplify right side
    22,503.84x = 233,664,405.94
  5. Step 5: Solve for x
    x = 233,664,405.94/22,503.84
  6. Step 6: Final answer
    x = 10,383.31

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1.5x scale

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.