Home / 13,396.32-18,469.38-11,527.95

Finding the Fourth Proportional to 13,396.32, 18,469.38 and 11,527.95

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Solution

The fourth proportional to 13,396.32, 18,469.38 and 11,527.95 is: 15,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396.32 : 18,469.38 = 11,527.95 : x
  2. Step 2: Convert to fraction form
    13,396.32/18,469.38 = 11,527.95/x
  3. Step 3: Cross multiply
    13,396.32x = 18,469.38 × 11,527.95
  4. Step 4: Simplify right side
    13,396.32x = 212,914,201.66
  5. Step 5: Solve for x
    x = 212,914,201.66/13,396.32
  6. Step 6: Final answer
    x = 15,893.48

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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.