Home / 20,175.36-27,837.60-11,786.88

Finding the Fourth Proportional to 20,175.36, 27,837.60 and 11,786.88

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Solution

The fourth proportional to 20,175.36, 27,837.60 and 11,786.88 is: 16,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.36 : 27,837.60 = 11,786.88 : x
  2. Step 2: Convert to fraction form
    20,175.36/27,837.60 = 11,786.88/x
  3. Step 3: Cross multiply
    20,175.36x = 27,837.60 × 11,786.88
  4. Step 4: Simplify right side
    20,175.36x = 328,118,450.69
  5. Step 5: Solve for x
    x = 328,118,450.69/20,175.36
  6. Step 6: Final answer
    x = 16,263.33

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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.