Home / 18,112.30-27,176.24-8,759.34

Finding the Fourth Proportional to 18,112.30, 27,176.24 and 8,759.34

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Solution

The fourth proportional to 18,112.30, 27,176.24 and 8,759.34 is: 13,142.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.30 : 27,176.24 = 8,759.34 : x
  2. Step 2: Convert to fraction form
    18,112.30/27,176.24 = 8,759.34/x
  3. Step 3: Cross multiply
    18,112.30x = 27,176.24 × 8,759.34
  4. Step 4: Simplify right side
    18,112.30x = 238,045,947.98
  5. Step 5: Solve for x
    x = 238,045,947.98/18,112.30
  6. Step 6: Final answer
    x = 13,142.78

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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.