Home / 21,193.85-29,247.87-11,634.64

Finding the Fourth Proportional to 21,193.85, 29,247.87 and 11,634.64

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Solution

The fourth proportional to 21,193.85, 29,247.87 and 11,634.64 is: 16,055.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.85 : 29,247.87 = 11,634.64 : x
  2. Step 2: Convert to fraction form
    21,193.85/29,247.87 = 11,634.64/x
  3. Step 3: Cross multiply
    21,193.85x = 29,247.87 × 11,634.64
  4. Step 4: Simplify right side
    21,193.85x = 340,288,365.10
  5. Step 5: Solve for x
    x = 340,288,365.10/21,193.85
  6. Step 6: Final answer
    x = 16,055.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.