Home / 19,694.64-27,172.44-11,734.32

Finding the Fourth Proportional to 19,694.64, 27,172.44 and 11,734.32

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Solution

The fourth proportional to 19,694.64, 27,172.44 and 11,734.32 is: 16,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,694.64 : 27,172.44 = 11,734.32 : x
  2. Step 2: Convert to fraction form
    19,694.64/27,172.44 = 11,734.32/x
  3. Step 3: Cross multiply
    19,694.64x = 27,172.44 × 11,734.32
  4. Step 4: Simplify right side
    19,694.64x = 318,850,106.14
  5. Step 5: Solve for x
    x = 318,850,106.14/19,694.64
  6. Step 6: Final answer
    x = 16,189.69

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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.