Home / 20,080.74-30,121.35-9,551.88

Finding the Fourth Proportional to 20,080.74, 30,121.35 and 9,551.88

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Solution

The fourth proportional to 20,080.74, 30,121.35 and 9,551.88 is: 14,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.74 : 30,121.35 = 9,551.88 : x
  2. Step 2: Convert to fraction form
    20,080.74/30,121.35 = 9,551.88/x
  3. Step 3: Cross multiply
    20,080.74x = 30,121.35 × 9,551.88
  4. Step 4: Simplify right side
    20,080.74x = 287,715,520.64
  5. Step 5: Solve for x
    x = 287,715,520.64/20,080.74
  6. Step 6: Final answer
    x = 14,327.93

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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.