Home / 18,385.20-27,577.22-5,905.17

Finding the Fourth Proportional to 18,385.20, 27,577.22 and 5,905.17

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Solution

The fourth proportional to 18,385.20, 27,577.22 and 5,905.17 is: 8,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.20 : 27,577.22 = 5,905.17 : x
  2. Step 2: Convert to fraction form
    18,385.20/27,577.22 = 5,905.17/x
  3. Step 3: Cross multiply
    18,385.20x = 27,577.22 × 5,905.17
  4. Step 4: Simplify right side
    18,385.20x = 162,848,142.70
  5. Step 5: Solve for x
    x = 162,848,142.70/18,385.20
  6. Step 6: Final answer
    x = 8,857.57

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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.