Home / 13,634.37-20,441.21-6,615.32

Finding the Fourth Proportional to 13,634.37, 20,441.21 and 6,615.32

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Solution

The fourth proportional to 13,634.37, 20,441.21 and 6,615.32 is: 9,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.37 : 20,441.21 = 6,615.32 : x
  2. Step 2: Convert to fraction form
    13,634.37/20,441.21 = 6,615.32/x
  3. Step 3: Cross multiply
    13,634.37x = 20,441.21 × 6,615.32
  4. Step 4: Simplify right side
    13,634.37x = 135,225,010.05
  5. Step 5: Solve for x
    x = 135,225,010.05/13,634.37
  6. Step 6: Final answer
    x = 9,917.95

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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.