Home / 20,203.60-30,310.28-6,352.60

Finding the Fourth Proportional to 20,203.60, 30,310.28 and 6,352.60

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Solution

The fourth proportional to 20,203.60, 30,310.28 and 6,352.60 is: 9,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.60 : 30,310.28 = 6,352.60 : x
  2. Step 2: Convert to fraction form
    20,203.60/30,310.28 = 6,352.60/x
  3. Step 3: Cross multiply
    20,203.60x = 30,310.28 × 6,352.60
  4. Step 4: Simplify right side
    20,203.60x = 192,549,084.73
  5. Step 5: Solve for x
    x = 192,549,084.73/20,203.60
  6. Step 6: Final answer
    x = 9,530.43

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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.