Home / 10,919.03-16,379.36-3,526.97

Finding the Fourth Proportional to 10,919.03, 16,379.36 and 3,526.97

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Solution

The fourth proportional to 10,919.03, 16,379.36 and 3,526.97 is: 5,290.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.03 : 16,379.36 = 3,526.97 : x
  2. Step 2: Convert to fraction form
    10,919.03/16,379.36 = 3,526.97/x
  3. Step 3: Cross multiply
    10,919.03x = 16,379.36 × 3,526.97
  4. Step 4: Simplify right side
    10,919.03x = 57,769,493.70
  5. Step 5: Solve for x
    x = 57,769,493.70/10,919.03
  6. Step 6: Final answer
    x = 5,290.72

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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.