Home / 10,901.88-16,355.24-3,976.36

Finding the Fourth Proportional to 10,901.88, 16,355.24 and 3,976.36

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Solution

The fourth proportional to 10,901.88, 16,355.24 and 3,976.36 is: 5,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.88 : 16,355.24 = 3,976.36 : x
  2. Step 2: Convert to fraction form
    10,901.88/16,355.24 = 3,976.36/x
  3. Step 3: Cross multiply
    10,901.88x = 16,355.24 × 3,976.36
  4. Step 4: Simplify right side
    10,901.88x = 65,034,322.13
  5. Step 5: Solve for x
    x = 65,034,322.13/10,901.88
  6. Step 6: Final answer
    x = 5,965.42

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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.