Home / 10,914.90-16,372.76-3,519.47

Finding the Fourth Proportional to 10,914.90, 16,372.76 and 3,519.47

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Solution

The fourth proportional to 10,914.90, 16,372.76 and 3,519.47 is: 5,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.90 : 16,372.76 = 3,519.47 : x
  2. Step 2: Convert to fraction form
    10,914.90/16,372.76 = 3,519.47/x
  3. Step 3: Cross multiply
    10,914.90x = 16,372.76 × 3,519.47
  4. Step 4: Simplify right side
    10,914.90x = 57,623,338.18
  5. Step 5: Solve for x
    x = 57,623,338.18/10,914.90
  6. Step 6: Final answer
    x = 5,279.33

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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.