Home / 11,538.20-17,294.94-8,241.29

Finding the Fourth Proportional to 11,538.20, 17,294.94 and 8,241.29

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Solution

The fourth proportional to 11,538.20, 17,294.94 and 8,241.29 is: 12,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.20 : 17,294.94 = 8,241.29 : x
  2. Step 2: Convert to fraction form
    11,538.20/17,294.94 = 8,241.29/x
  3. Step 3: Cross multiply
    11,538.20x = 17,294.94 × 8,241.29
  4. Step 4: Simplify right side
    11,538.20x = 142,532,616.07
  5. Step 5: Solve for x
    x = 142,532,616.07/11,538.20
  6. Step 6: Final answer
    x = 12,353.11

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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.