Home / 13,450.75-20,205.32-11,374.92

Finding the Fourth Proportional to 13,450.75, 20,205.32 and 11,374.92

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Solution

The fourth proportional to 13,450.75, 20,205.32 and 11,374.92 is: 17,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.75 : 20,205.32 = 11,374.92 : x
  2. Step 2: Convert to fraction form
    13,450.75/20,205.32 = 11,374.92/x
  3. Step 3: Cross multiply
    13,450.75x = 20,205.32 × 11,374.92
  4. Step 4: Simplify right side
    13,450.75x = 229,833,841.70
  5. Step 5: Solve for x
    x = 229,833,841.70/13,450.75
  6. Step 6: Final answer
    x = 17,087.07

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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.