Home / 19,276.24-28,912.20-6,127.60

Finding the Fourth Proportional to 19,276.24, 28,912.20 and 6,127.60

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Solution

The fourth proportional to 19,276.24, 28,912.20 and 6,127.60 is: 9,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.24 : 28,912.20 = 6,127.60 : x
  2. Step 2: Convert to fraction form
    19,276.24/28,912.20 = 6,127.60/x
  3. Step 3: Cross multiply
    19,276.24x = 28,912.20 × 6,127.60
  4. Step 4: Simplify right side
    19,276.24x = 177,162,396.72
  5. Step 5: Solve for x
    x = 177,162,396.72/19,276.24
  6. Step 6: Final answer
    x = 9,190.71

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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.