Home / 20,582.20-30,922.56-13,201.08

Finding the Fourth Proportional to 20,582.20, 30,922.56 and 13,201.08

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Solution

The fourth proportional to 20,582.20, 30,922.56 and 13,201.08 is: 19,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.20 : 30,922.56 = 13,201.08 : x
  2. Step 2: Convert to fraction form
    20,582.20/30,922.56 = 13,201.08/x
  3. Step 3: Cross multiply
    20,582.20x = 30,922.56 × 13,201.08
  4. Step 4: Simplify right side
    20,582.20x = 408,211,072.41
  5. Step 5: Solve for x
    x = 408,211,072.41/20,582.20
  6. Step 6: Final answer
    x = 19,833.21

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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.