Home / 18,287.97-27,429.15-5,806.36

Finding the Fourth Proportional to 18,287.97, 27,429.15 and 5,806.36

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Solution

The fourth proportional to 18,287.97, 27,429.15 and 5,806.36 is: 8,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.97 : 27,429.15 = 5,806.36 : x
  2. Step 2: Convert to fraction form
    18,287.97/27,429.15 = 5,806.36/x
  3. Step 3: Cross multiply
    18,287.97x = 27,429.15 × 5,806.36
  4. Step 4: Simplify right side
    18,287.97x = 159,263,519.39
  5. Step 5: Solve for x
    x = 159,263,519.39/18,287.97
  6. Step 6: Final answer
    x = 8,708.65

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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.