Home / 20,242.80-30,364.38-6,202.80

Finding the Fourth Proportional to 20,242.80, 30,364.38 and 6,202.80

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Solution

The fourth proportional to 20,242.80, 30,364.38 and 6,202.80 is: 9,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.80 : 30,364.38 = 6,202.80 : x
  2. Step 2: Convert to fraction form
    20,242.80/30,364.38 = 6,202.80/x
  3. Step 3: Cross multiply
    20,242.80x = 30,364.38 × 6,202.80
  4. Step 4: Simplify right side
    20,242.80x = 188,344,176.26
  5. Step 5: Solve for x
    x = 188,344,176.26/20,242.80
  6. Step 6: Final answer
    x = 9,304.26

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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.