Home / 11,817.26-17,728.95-5,241.86

Finding the Fourth Proportional to 11,817.26, 17,728.95 and 5,241.86

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Solution

The fourth proportional to 11,817.26, 17,728.95 and 5,241.86 is: 7,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.26 : 17,728.95 = 5,241.86 : x
  2. Step 2: Convert to fraction form
    11,817.26/17,728.95 = 5,241.86/x
  3. Step 3: Cross multiply
    11,817.26x = 17,728.95 × 5,241.86
  4. Step 4: Simplify right side
    11,817.26x = 92,932,673.85
  5. Step 5: Solve for x
    x = 92,932,673.85/11,817.26
  6. Step 6: Final answer
    x = 7,864.15

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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.