Home / 19,194.30-28,797.60-12,180.21

Finding the Fourth Proportional to 19,194.30, 28,797.60 and 12,180.21

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Solution

The fourth proportional to 19,194.30, 28,797.60 and 12,180.21 is: 18,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.30 : 28,797.60 = 12,180.21 : x
  2. Step 2: Convert to fraction form
    19,194.30/28,797.60 = 12,180.21/x
  3. Step 3: Cross multiply
    19,194.30x = 28,797.60 × 12,180.21
  4. Step 4: Simplify right side
    19,194.30x = 350,760,815.50
  5. Step 5: Solve for x
    x = 350,760,815.50/19,194.30
  6. Step 6: Final answer
    x = 18,274.22

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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.