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Finding the Fourth Proportional to 11,948.08, 17,909.10 and 11,396.09

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Solution

The fourth proportional to 11,948.08, 17,909.10 and 11,396.09 is: 17,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.08 : 17,909.10 = 11,396.09 : x
  2. Step 2: Convert to fraction form
    11,948.08/17,909.10 = 11,396.09/x
  3. Step 3: Cross multiply
    11,948.08x = 17,909.10 × 11,396.09
  4. Step 4: Simplify right side
    11,948.08x = 204,093,760.19
  5. Step 5: Solve for x
    x = 204,093,760.19/11,948.08
  6. Step 6: Final answer
    x = 17,081.72

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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.