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Finding the Fourth Proportional to 22,490.73, 33,736.25 and 7,699.77

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Solution

The fourth proportional to 22,490.73, 33,736.25 and 7,699.77 is: 11,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.73 : 33,736.25 = 7,699.77 : x
  2. Step 2: Convert to fraction form
    22,490.73/33,736.25 = 7,699.77/x
  3. Step 3: Cross multiply
    22,490.73x = 33,736.25 × 7,699.77
  4. Step 4: Simplify right side
    22,490.73x = 259,761,384.91
  5. Step 5: Solve for x
    x = 259,761,384.91/22,490.73
  6. Step 6: Final answer
    x = 11,549.71

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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.