Home / 18,694.18-28,027.32-11,296.96

Finding the Fourth Proportional to 18,694.18, 28,027.32 and 11,296.96

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Solution

The fourth proportional to 18,694.18, 28,027.32 and 11,296.96 is: 16,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.18 : 28,027.32 = 11,296.96 : x
  2. Step 2: Convert to fraction form
    18,694.18/28,027.32 = 11,296.96/x
  3. Step 3: Cross multiply
    18,694.18x = 28,027.32 × 11,296.96
  4. Step 4: Simplify right side
    18,694.18x = 316,623,512.95
  5. Step 5: Solve for x
    x = 316,623,512.95/18,694.18
  6. Step 6: Final answer
    x = 16,937.01

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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.