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Finding the Fourth Proportional to 22,443.28, 33,664.86 and 6,649.54

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Solution

The fourth proportional to 22,443.28, 33,664.86 and 6,649.54 is: 9,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,443.28 : 33,664.86 = 6,649.54 : x
  2. Step 2: Convert to fraction form
    22,443.28/33,664.86 = 6,649.54/x
  3. Step 3: Cross multiply
    22,443.28x = 33,664.86 × 6,649.54
  4. Step 4: Simplify right side
    22,443.28x = 223,855,749.00
  5. Step 5: Solve for x
    x = 223,855,749.00/22,443.28
  6. Step 6: Final answer
    x = 9,974.29

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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.