Home / 18,051.68-27,080.49-5,571.29

Finding the Fourth Proportional to 18,051.68, 27,080.49 and 5,571.29

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Solution

The fourth proportional to 18,051.68, 27,080.49 and 5,571.29 is: 8,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.68 : 27,080.49 = 5,571.29 : x
  2. Step 2: Convert to fraction form
    18,051.68/27,080.49 = 5,571.29/x
  3. Step 3: Cross multiply
    18,051.68x = 27,080.49 × 5,571.29
  4. Step 4: Simplify right side
    18,051.68x = 150,873,127.73
  5. Step 5: Solve for x
    x = 150,873,127.73/18,051.68
  6. Step 6: Final answer
    x = 8,357.85

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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.