Home / 13,450.74-20,150.67-7,611.54

Finding the Fourth Proportional to 13,450.74, 20,150.67 and 7,611.54

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Solution

The fourth proportional to 13,450.74, 20,150.67 and 7,611.54 is: 11,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.74 : 20,150.67 = 7,611.54 : x
  2. Step 2: Convert to fraction form
    13,450.74/20,150.67 = 7,611.54/x
  3. Step 3: Cross multiply
    13,450.74x = 20,150.67 × 7,611.54
  4. Step 4: Simplify right side
    13,450.74x = 153,377,630.73
  5. Step 5: Solve for x
    x = 153,377,630.73/13,450.74
  6. Step 6: Final answer
    x = 11,402.91

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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.