Home / 13,629.75-20,444.63-3,634.53

Finding the Fourth Proportional to 13,629.75, 20,444.63 and 3,634.53

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Solution

The fourth proportional to 13,629.75, 20,444.63 and 3,634.53 is: 5,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629.75 : 20,444.63 = 3,634.53 : x
  2. Step 2: Convert to fraction form
    13,629.75/20,444.63 = 3,634.53/x
  3. Step 3: Cross multiply
    13,629.75x = 20,444.63 × 3,634.53
  4. Step 4: Simplify right side
    13,629.75x = 74,306,602.90
  5. Step 5: Solve for x
    x = 74,306,602.90/13,629.75
  6. Step 6: Final answer
    x = 5,451.80

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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.