Home / 18,172.14-27,247.67-8,306.13

Finding the Fourth Proportional to 18,172.14, 27,247.67 and 8,306.13

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Solution

The fourth proportional to 18,172.14, 27,247.67 and 8,306.13 is: 12,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.14 : 27,247.67 = 8,306.13 : x
  2. Step 2: Convert to fraction form
    18,172.14/27,247.67 = 8,306.13/x
  3. Step 3: Cross multiply
    18,172.14x = 27,247.67 × 8,306.13
  4. Step 4: Simplify right side
    18,172.14x = 226,322,689.22
  5. Step 5: Solve for x
    x = 226,322,689.22/18,172.14
  6. Step 6: Final answer
    x = 12,454.38

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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.