Home / 19,238.20-28,858.20-6,091.60

Finding the Fourth Proportional to 19,238.20, 28,858.20 and 6,091.60

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Solution

The fourth proportional to 19,238.20, 28,858.20 and 6,091.60 is: 9,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.20 : 28,858.20 = 6,091.60 : x
  2. Step 2: Convert to fraction form
    19,238.20/28,858.20 = 6,091.60/x
  3. Step 3: Cross multiply
    19,238.20x = 28,858.20 × 6,091.60
  4. Step 4: Simplify right side
    19,238.20x = 175,792,611.12
  5. Step 5: Solve for x
    x = 175,792,611.12/19,238.20
  6. Step 6: Final answer
    x = 9,137.68

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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.