Home / 20,046.20-30,080.10-8,954.60

Finding the Fourth Proportional to 20,046.20, 30,080.10 and 8,954.60

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Solution

The fourth proportional to 20,046.20, 30,080.10 and 8,954.60 is: 13,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.20 : 30,080.10 = 8,954.60 : x
  2. Step 2: Convert to fraction form
    20,046.20/30,080.10 = 8,954.60/x
  3. Step 3: Cross multiply
    20,046.20x = 30,080.10 × 8,954.60
  4. Step 4: Simplify right side
    20,046.20x = 269,355,263.46
  5. Step 5: Solve for x
    x = 269,355,263.46/20,046.20
  6. Step 6: Final answer
    x = 13,436.72

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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.