Home / 20,080.29-27,697.05-11,696.79

Finding the Fourth Proportional to 20,080.29, 27,697.05 and 11,696.79

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Solution

The fourth proportional to 20,080.29, 27,697.05 and 11,696.79 is: 16,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.29 : 27,697.05 = 11,696.79 : x
  2. Step 2: Convert to fraction form
    20,080.29/27,697.05 = 11,696.79/x
  3. Step 3: Cross multiply
    20,080.29x = 27,697.05 × 11,696.79
  4. Step 4: Simplify right side
    20,080.29x = 323,966,577.47
  5. Step 5: Solve for x
    x = 323,966,577.47/20,080.29
  6. Step 6: Final answer
    x = 16,133.56

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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.