Home / 18,446.18-27,680.25-6,760.22

Finding the Fourth Proportional to 18,446.18, 27,680.25 and 6,760.22

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Solution

The fourth proportional to 18,446.18, 27,680.25 and 6,760.22 is: 10,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.18 : 27,680.25 = 6,760.22 : x
  2. Step 2: Convert to fraction form
    18,446.18/27,680.25 = 6,760.22/x
  3. Step 3: Cross multiply
    18,446.18x = 27,680.25 × 6,760.22
  4. Step 4: Simplify right side
    18,446.18x = 187,124,579.66
  5. Step 5: Solve for x
    x = 187,124,579.66/18,446.18
  6. Step 6: Final answer
    x = 10,144.35

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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.