Home / 17,446.37-26,172.80-8,080.20

Finding the Fourth Proportional to 17,446.37, 26,172.80 and 8,080.20

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Solution

The fourth proportional to 17,446.37, 26,172.80 and 8,080.20 is: 12,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,446.37 : 26,172.80 = 8,080.20 : x
  2. Step 2: Convert to fraction form
    17,446.37/26,172.80 = 8,080.20/x
  3. Step 3: Cross multiply
    17,446.37x = 26,172.80 × 8,080.20
  4. Step 4: Simplify right side
    17,446.37x = 211,481,418.16
  5. Step 5: Solve for x
    x = 211,481,418.16/17,446.37
  6. Step 6: Final answer
    x = 12,121.80

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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.