Home / 13,414.06-20,153.58-11,839.42

Finding the Fourth Proportional to 13,414.06, 20,153.58 and 11,839.42

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Solution

The fourth proportional to 13,414.06, 20,153.58 and 11,839.42 is: 17,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.06 : 20,153.58 = 11,839.42 : x
  2. Step 2: Convert to fraction form
    13,414.06/20,153.58 = 11,839.42/x
  3. Step 3: Cross multiply
    13,414.06x = 20,153.58 × 11,839.42
  4. Step 4: Simplify right side
    13,414.06x = 238,606,665.45
  5. Step 5: Solve for x
    x = 238,606,665.45/13,414.06
  6. Step 6: Final answer
    x = 17,787.81

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1.5x scale

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.