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Finding the Fourth Proportional to 22,383.90, 33,553.98 and 9,907.08

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Solution

The fourth proportional to 22,383.90, 33,553.98 and 9,907.08 is: 14,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.90 : 33,553.98 = 9,907.08 : x
  2. Step 2: Convert to fraction form
    22,383.90/33,553.98 = 9,907.08/x
  3. Step 3: Cross multiply
    22,383.90x = 33,553.98 × 9,907.08
  4. Step 4: Simplify right side
    22,383.90x = 332,421,964.18
  5. Step 5: Solve for x
    x = 332,421,964.18/22,383.90
  6. Step 6: Final answer
    x = 14,850.94

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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.