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Finding the Fourth Proportional to 22,507.76, 33,755.09 and 9,343.77

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Solution

The fourth proportional to 22,507.76, 33,755.09 and 9,343.77 is: 14,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,507.76 : 33,755.09 = 9,343.77 : x
  2. Step 2: Convert to fraction form
    22,507.76/33,755.09 = 9,343.77/x
  3. Step 3: Cross multiply
    22,507.76x = 33,755.09 × 9,343.77
  4. Step 4: Simplify right side
    22,507.76x = 315,399,750.57
  5. Step 5: Solve for x
    x = 315,399,750.57/22,507.76
  6. Step 6: Final answer
    x = 14,012.94

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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.