Home / 20,382.74-30,568.56-5,588.14

Finding the Fourth Proportional to 20,382.74, 30,568.56 and 5,588.14

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Solution

The fourth proportional to 20,382.74, 30,568.56 and 5,588.14 is: 8,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382.74 : 30,568.56 = 5,588.14 : x
  2. Step 2: Convert to fraction form
    20,382.74/30,568.56 = 5,588.14/x
  3. Step 3: Cross multiply
    20,382.74x = 30,568.56 × 5,588.14
  4. Step 4: Simplify right side
    20,382.74x = 170,821,212.09
  5. Step 5: Solve for x
    x = 170,821,212.09/20,382.74
  6. Step 6: Final answer
    x = 8,380.68

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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.