Home / 20,382.22-30,582.14-11,028.84

Finding the Fourth Proportional to 20,382.22, 30,582.14 and 11,028.84

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Solution

The fourth proportional to 20,382.22, 30,582.14 and 11,028.84 is: 16,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382.22 : 30,582.14 = 11,028.84 : x
  2. Step 2: Convert to fraction form
    20,382.22/30,582.14 = 11,028.84/x
  3. Step 3: Cross multiply
    20,382.22x = 30,582.14 × 11,028.84
  4. Step 4: Simplify right side
    20,382.22x = 337,285,528.92
  5. Step 5: Solve for x
    x = 337,285,528.92/20,382.22
  6. Step 6: Final answer
    x = 16,548.03

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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.