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Finding the Fourth Proportional to 22,356.56, 33,511.32 and 7,551.44

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Solution

The fourth proportional to 22,356.56, 33,511.32 and 7,551.44 is: 11,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.56 : 33,511.32 = 7,551.44 : x
  2. Step 2: Convert to fraction form
    22,356.56/33,511.32 = 7,551.44/x
  3. Step 3: Cross multiply
    22,356.56x = 33,511.32 × 7,551.44
  4. Step 4: Simplify right side
    22,356.56x = 253,058,722.30
  5. Step 5: Solve for x
    x = 253,058,722.30/22,356.56
  6. Step 6: Final answer
    x = 11,319.22

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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.