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Finding the Fourth Proportional to 18,279.84, 27,427.12 and 6,593.84

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Solution

The fourth proportional to 18,279.84, 27,427.12 and 6,593.84 is: 9,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.84 : 27,427.12 = 6,593.84 : x
  2. Step 2: Convert to fraction form
    18,279.84/27,427.12 = 6,593.84/x
  3. Step 3: Cross multiply
    18,279.84x = 27,427.12 × 6,593.84
  4. Step 4: Simplify right side
    18,279.84x = 180,850,040.94
  5. Step 5: Solve for x
    x = 180,850,040.94/18,279.84
  6. Step 6: Final answer
    x = 9,893.41

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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.