Home / 18,137.44-27,126.72-16,809.04

Finding the Fourth Proportional to 18,137.44, 27,126.72 and 16,809.04

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Solution

The fourth proportional to 18,137.44, 27,126.72 and 16,809.04 is: 25,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.44 : 27,126.72 = 16,809.04 : x
  2. Step 2: Convert to fraction form
    18,137.44/27,126.72 = 16,809.04/x
  3. Step 3: Cross multiply
    18,137.44x = 27,126.72 × 16,809.04
  4. Step 4: Simplify right side
    18,137.44x = 455,974,121.55
  5. Step 5: Solve for x
    x = 455,974,121.55/18,137.44
  6. Step 6: Final answer
    x = 25,139.94

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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.