Home / 11,690.27-17,524.44-6,485.21

Finding the Fourth Proportional to 11,690.27, 17,524.44 and 6,485.21

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Solution

The fourth proportional to 11,690.27, 17,524.44 and 6,485.21 is: 9,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.27 : 17,524.44 = 6,485.21 : x
  2. Step 2: Convert to fraction form
    11,690.27/17,524.44 = 6,485.21/x
  3. Step 3: Cross multiply
    11,690.27x = 17,524.44 × 6,485.21
  4. Step 4: Simplify right side
    11,690.27x = 113,649,585.91
  5. Step 5: Solve for x
    x = 113,649,585.91/11,690.27
  6. Step 6: Final answer
    x = 9,721.73

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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.