Home / 13,450.25-20,204.57-11,374.42

Finding the Fourth Proportional to 13,450.25, 20,204.57 and 11,374.42

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Solution

The fourth proportional to 13,450.25, 20,204.57 and 11,374.42 is: 17,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.25 : 20,204.57 = 11,374.42 : x
  2. Step 2: Convert to fraction form
    13,450.25/20,204.57 = 11,374.42/x
  3. Step 3: Cross multiply
    13,450.25x = 20,204.57 × 11,374.42
  4. Step 4: Simplify right side
    13,450.25x = 229,815,265.10
  5. Step 5: Solve for x
    x = 229,815,265.10/13,450.25
  6. Step 6: Final answer
    x = 17,086.32

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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.