Home / 20,172.44-27,841.37-11,674.80

Finding the Fourth Proportional to 20,172.44, 27,841.37 and 11,674.80

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Solution

The fourth proportional to 20,172.44, 27,841.37 and 11,674.80 is: 16,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,172.44 : 27,841.37 = 11,674.80 : x
  2. Step 2: Convert to fraction form
    20,172.44/27,841.37 = 11,674.80/x
  3. Step 3: Cross multiply
    20,172.44x = 27,841.37 × 11,674.80
  4. Step 4: Simplify right side
    20,172.44x = 325,042,433.77
  5. Step 5: Solve for x
    x = 325,042,433.77/20,172.44
  6. Step 6: Final answer
    x = 16,113.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.