Home / 18,187.68-27,282.67-5,708.19

Finding the Fourth Proportional to 18,187.68, 27,282.67 and 5,708.19

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Solution

The fourth proportional to 18,187.68, 27,282.67 and 5,708.19 is: 8,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187.68 : 27,282.67 = 5,708.19 : x
  2. Step 2: Convert to fraction form
    18,187.68/27,282.67 = 5,708.19/x
  3. Step 3: Cross multiply
    18,187.68x = 27,282.67 × 5,708.19
  4. Step 4: Simplify right side
    18,187.68x = 155,734,664.07
  5. Step 5: Solve for x
    x = 155,734,664.07/18,187.68
  6. Step 6: Final answer
    x = 8,562.65

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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.