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Finding the Fourth Proportional to 22,563.66, 33,844.05 and 7,772.88

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Solution

The fourth proportional to 22,563.66, 33,844.05 and 7,772.88 is: 11,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,563.66 : 33,844.05 = 7,772.88 : x
  2. Step 2: Convert to fraction form
    22,563.66/33,844.05 = 7,772.88/x
  3. Step 3: Cross multiply
    22,563.66x = 33,844.05 × 7,772.88
  4. Step 4: Simplify right side
    22,563.66x = 263,065,739.36
  5. Step 5: Solve for x
    x = 263,065,739.36/22,563.66
  6. Step 6: Final answer
    x = 11,658.82

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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.