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Finding the Fourth Proportional to 22,454.48, 33,685.17 and 7,659.94

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Solution

The fourth proportional to 22,454.48, 33,685.17 and 7,659.94 is: 11,491.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,454.48 : 33,685.17 = 7,659.94 : x
  2. Step 2: Convert to fraction form
    22,454.48/33,685.17 = 7,659.94/x
  3. Step 3: Cross multiply
    22,454.48x = 33,685.17 × 7,659.94
  4. Step 4: Simplify right side
    22,454.48x = 258,026,381.09
  5. Step 5: Solve for x
    x = 258,026,381.09/22,454.48
  6. Step 6: Final answer
    x = 11,491.09

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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.