Home / 13,824.19-20,736.42-3,435.94

Finding the Fourth Proportional to 13,824.19, 20,736.42 and 3,435.94

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Solution

The fourth proportional to 13,824.19, 20,736.42 and 3,435.94 is: 5,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.19 : 20,736.42 = 3,435.94 : x
  2. Step 2: Convert to fraction form
    13,824.19/20,736.42 = 3,435.94/x
  3. Step 3: Cross multiply
    13,824.19x = 20,736.42 × 3,435.94
  4. Step 4: Simplify right side
    13,824.19x = 71,248,974.07
  5. Step 5: Solve for x
    x = 71,248,974.07/13,824.19
  6. Step 6: Final answer
    x = 5,153.94

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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.