Home / 10,918.82-16,380.99-4,675.70

Finding the Fourth Proportional to 10,918.82, 16,380.99 and 4,675.70

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Solution

The fourth proportional to 10,918.82, 16,380.99 and 4,675.70 is: 7,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.82 : 16,380.99 = 4,675.70 : x
  2. Step 2: Convert to fraction form
    10,918.82/16,380.99 = 4,675.70/x
  3. Step 3: Cross multiply
    10,918.82x = 16,380.99 × 4,675.70
  4. Step 4: Simplify right side
    10,918.82x = 76,592,594.94
  5. Step 5: Solve for x
    x = 76,592,594.94/10,918.82
  6. Step 6: Final answer
    x = 7,014.73

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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.