Home / 18,004.53-26,997.90-5,521.56

Finding the Fourth Proportional to 18,004.53, 26,997.90 and 5,521.56

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Solution

The fourth proportional to 18,004.53, 26,997.90 and 5,521.56 is: 8,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,004.53 : 26,997.90 = 5,521.56 : x
  2. Step 2: Convert to fraction form
    18,004.53/26,997.90 = 5,521.56/x
  3. Step 3: Cross multiply
    18,004.53x = 26,997.90 × 5,521.56
  4. Step 4: Simplify right side
    18,004.53x = 149,070,524.72
  5. Step 5: Solve for x
    x = 149,070,524.72/18,004.53
  6. Step 6: Final answer
    x = 8,279.61

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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.