Home / 20,202.04-30,287.90-13,944.18

Finding the Fourth Proportional to 20,202.04, 30,287.90 and 13,944.18

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Solution

The fourth proportional to 20,202.04, 30,287.90 and 13,944.18 is: 20,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.04 : 30,287.90 = 13,944.18 : x
  2. Step 2: Convert to fraction form
    20,202.04/30,287.90 = 13,944.18/x
  3. Step 3: Cross multiply
    20,202.04x = 30,287.90 × 13,944.18
  4. Step 4: Simplify right side
    20,202.04x = 422,339,929.42
  5. Step 5: Solve for x
    x = 422,339,929.42/20,202.04
  6. Step 6: Final answer
    x = 20,905.81

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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.