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Finding the Fourth Proportional to 22,434.44, 33,655.98 and 7,644.20

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Solution

The fourth proportional to 22,434.44, 33,655.98 and 7,644.20 is: 11,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,434.44 : 33,655.98 = 7,644.20 : x
  2. Step 2: Convert to fraction form
    22,434.44/33,655.98 = 7,644.20/x
  3. Step 3: Cross multiply
    22,434.44x = 33,655.98 × 7,644.20
  4. Step 4: Simplify right side
    22,434.44x = 257,273,042.32
  5. Step 5: Solve for x
    x = 257,273,042.32/22,434.44
  6. Step 6: Final answer
    x = 11,467.77

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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.