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Finding the Fourth Proportional to 22,555.66, 33,845.34 and 9,238.54

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Solution

The fourth proportional to 22,555.66, 33,845.34 and 9,238.54 is: 13,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.66 : 33,845.34 = 9,238.54 : x
  2. Step 2: Convert to fraction form
    22,555.66/33,845.34 = 9,238.54/x
  3. Step 3: Cross multiply
    22,555.66x = 33,845.34 × 9,238.54
  4. Step 4: Simplify right side
    22,555.66x = 312,681,527.40
  5. Step 5: Solve for x
    x = 312,681,527.40/22,555.66
  6. Step 6: Final answer
    x = 13,862.66

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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.