Home / 18,914.96-28,372.44-5,767.04

Finding the Fourth Proportional to 18,914.96, 28,372.44 and 5,767.04

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Solution

The fourth proportional to 18,914.96, 28,372.44 and 5,767.04 is: 8,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914.96 : 28,372.44 = 5,767.04 : x
  2. Step 2: Convert to fraction form
    18,914.96/28,372.44 = 5,767.04/x
  3. Step 3: Cross multiply
    18,914.96x = 28,372.44 × 5,767.04
  4. Step 4: Simplify right side
    18,914.96x = 163,624,996.38
  5. Step 5: Solve for x
    x = 163,624,996.38/18,914.96
  6. Step 6: Final answer
    x = 8,650.56

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Similar ratio
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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.