Home / 18,796.44-28,191.60-7,106.88

Finding the Fourth Proportional to 18,796.44, 28,191.60 and 7,106.88

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Solution

The fourth proportional to 18,796.44, 28,191.60 and 7,106.88 is: 10,659.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.44 : 28,191.60 = 7,106.88 : x
  2. Step 2: Convert to fraction form
    18,796.44/28,191.60 = 7,106.88/x
  3. Step 3: Cross multiply
    18,796.44x = 28,191.60 × 7,106.88
  4. Step 4: Simplify right side
    18,796.44x = 200,354,318.21
  5. Step 5: Solve for x
    x = 200,354,318.21/18,796.44
  6. Step 6: Final answer
    x = 10,659.16

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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.