Home / 17,992.42-26,997.81-12,136.75

Finding the Fourth Proportional to 17,992.42, 26,997.81 and 12,136.75

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Solution

The fourth proportional to 17,992.42, 26,997.81 and 12,136.75 is: 18,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.42 : 26,997.81 = 12,136.75 : x
  2. Step 2: Convert to fraction form
    17,992.42/26,997.81 = 12,136.75/x
  3. Step 3: Cross multiply
    17,992.42x = 26,997.81 × 12,136.75
  4. Step 4: Simplify right side
    17,992.42x = 327,665,670.52
  5. Step 5: Solve for x
    x = 327,665,670.52/17,992.42
  6. Step 6: Final answer
    x = 18,211.32

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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.