Home / 19,220.25-28,843.20-6,740.27

Finding the Fourth Proportional to 19,220.25, 28,843.20 and 6,740.27

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Solution

The fourth proportional to 19,220.25, 28,843.20 and 6,740.27 is: 10,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.25 : 28,843.20 = 6,740.27 : x
  2. Step 2: Convert to fraction form
    19,220.25/28,843.20 = 6,740.27/x
  3. Step 3: Cross multiply
    19,220.25x = 28,843.20 × 6,740.27
  4. Step 4: Simplify right side
    19,220.25x = 194,410,811.45
  5. Step 5: Solve for x
    x = 194,410,811.45/19,220.25
  6. Step 6: Final answer
    x = 10,114.90

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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.