Home / 20,243.20-30,365.71-6,202.20

Finding the Fourth Proportional to 20,243.20, 30,365.71 and 6,202.20

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Solution

The fourth proportional to 20,243.20, 30,365.71 and 6,202.20 is: 9,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.20 : 30,365.71 = 6,202.20 : x
  2. Step 2: Convert to fraction form
    20,243.20/30,365.71 = 6,202.20/x
  3. Step 3: Cross multiply
    20,243.20x = 30,365.71 × 6,202.20
  4. Step 4: Simplify right side
    20,243.20x = 188,334,206.56
  5. Step 5: Solve for x
    x = 188,334,206.56/20,243.20
  6. Step 6: Final answer
    x = 9,303.58

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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.