Home / 18,227.57-27,276.38-12,606.37

Finding the Fourth Proportional to 18,227.57, 27,276.38 and 12,606.37

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Solution

The fourth proportional to 18,227.57, 27,276.38 and 12,606.37 is: 18,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.57 : 27,276.38 = 12,606.37 : x
  2. Step 2: Convert to fraction form
    18,227.57/27,276.38 = 12,606.37/x
  3. Step 3: Cross multiply
    18,227.57x = 27,276.38 × 12,606.37
  4. Step 4: Simplify right side
    18,227.57x = 343,856,156.88
  5. Step 5: Solve for x
    x = 343,856,156.88/18,227.57
  6. Step 6: Final answer
    x = 18,864.62

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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.