Home / 11,578.46-17,367.69-2,813.32

Finding the Fourth Proportional to 11,578.46, 17,367.69 and 2,813.32

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Solution

The fourth proportional to 11,578.46, 17,367.69 and 2,813.32 is: 4,219.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.46 : 17,367.69 = 2,813.32 : x
  2. Step 2: Convert to fraction form
    11,578.46/17,367.69 = 2,813.32/x
  3. Step 3: Cross multiply
    11,578.46x = 17,367.69 × 2,813.32
  4. Step 4: Simplify right side
    11,578.46x = 48,860,869.63
  5. Step 5: Solve for x
    x = 48,860,869.63/11,578.46
  6. Step 6: Final answer
    x = 4,219.98

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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.