Home / 11,645.32-17,455.82-4,623.44

Finding the Fourth Proportional to 11,645.32, 17,455.82 and 4,623.44

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Solution

The fourth proportional to 11,645.32, 17,455.82 and 4,623.44 is: 6,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.32 : 17,455.82 = 4,623.44 : x
  2. Step 2: Convert to fraction form
    11,645.32/17,455.82 = 4,623.44/x
  3. Step 3: Cross multiply
    11,645.32x = 17,455.82 × 4,623.44
  4. Step 4: Simplify right side
    11,645.32x = 80,705,936.42
  5. Step 5: Solve for x
    x = 80,705,936.42/11,645.32
  6. Step 6: Final answer
    x = 6,930.33

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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.