Home / 18,121.03-27,177.44-8,263.13

Finding the Fourth Proportional to 18,121.03, 27,177.44 and 8,263.13

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Solution

The fourth proportional to 18,121.03, 27,177.44 and 8,263.13 is: 12,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,121.03 : 27,177.44 = 8,263.13 : x
  2. Step 2: Convert to fraction form
    18,121.03/27,177.44 = 8,263.13/x
  3. Step 3: Cross multiply
    18,121.03x = 27,177.44 × 8,263.13
  4. Step 4: Simplify right side
    18,121.03x = 224,570,542.58
  5. Step 5: Solve for x
    x = 224,570,542.58/18,121.03
  6. Step 6: Final answer
    x = 12,392.82

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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.