Home / 18,754.14-28,122.98-8,896.22

Finding the Fourth Proportional to 18,754.14, 28,122.98 and 8,896.22

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Solution

The fourth proportional to 18,754.14, 28,122.98 and 8,896.22 is: 13,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,754.14 : 28,122.98 = 8,896.22 : x
  2. Step 2: Convert to fraction form
    18,754.14/28,122.98 = 8,896.22/x
  3. Step 3: Cross multiply
    18,754.14x = 28,122.98 × 8,896.22
  4. Step 4: Simplify right side
    18,754.14x = 250,188,217.14
  5. Step 5: Solve for x
    x = 250,188,217.14/18,754.14
  6. Step 6: Final answer
    x = 13,340.43

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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.