Home / 12,317.62-18,476.41-3,997.64

Finding the Fourth Proportional to 12,317.62, 18,476.41 and 3,997.64

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Solution

The fourth proportional to 12,317.62, 18,476.41 and 3,997.64 is: 5,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.62 : 18,476.41 = 3,997.64 : x
  2. Step 2: Convert to fraction form
    12,317.62/18,476.41 = 3,997.64/x
  3. Step 3: Cross multiply
    12,317.62x = 18,476.41 × 3,997.64
  4. Step 4: Simplify right side
    12,317.62x = 73,861,933.30
  5. Step 5: Solve for x
    x = 73,861,933.30/12,317.62
  6. Step 6: Final answer
    x = 5,996.45

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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.