Home / 10,965.58-16,450.80-5,119

Finding the Fourth Proportional to 10,965.58, 16,450.80 and 5,119

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Solution

The fourth proportional to 10,965.58, 16,450.80 and 5,119 is: 7,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.58 : 16,450.80 = 5,119 : x
  2. Step 2: Convert to fraction form
    10,965.58/16,450.80 = 5,119/x
  3. Step 3: Cross multiply
    10,965.58x = 16,450.80 × 5,119
  4. Step 4: Simplify right side
    10,965.58x = 84,211,645.20
  5. Step 5: Solve for x
    x = 84,211,645.20/10,965.58
  6. Step 6: Final answer
    x = 7,679.63

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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.