Home / 18,114.91-27,172.46-8,247.29

Finding the Fourth Proportional to 18,114.91, 27,172.46 and 8,247.29

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Solution

The fourth proportional to 18,114.91, 27,172.46 and 8,247.29 is: 12,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.91 : 27,172.46 = 8,247.29 : x
  2. Step 2: Convert to fraction form
    18,114.91/27,172.46 = 8,247.29/x
  3. Step 3: Cross multiply
    18,114.91x = 27,172.46 × 8,247.29
  4. Step 4: Simplify right side
    18,114.91x = 224,098,980.53
  5. Step 5: Solve for x
    x = 224,098,980.53/18,114.91
  6. Step 6: Final answer
    x = 12,370.97

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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.