Home / 19,270.20-28,907.22-5,230.46

Finding the Fourth Proportional to 19,270.20, 28,907.22 and 5,230.46

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Solution

The fourth proportional to 19,270.20, 28,907.22 and 5,230.46 is: 7,846.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.20 : 28,907.22 = 5,230.46 : x
  2. Step 2: Convert to fraction form
    19,270.20/28,907.22 = 5,230.46/x
  3. Step 3: Cross multiply
    19,270.20x = 28,907.22 × 5,230.46
  4. Step 4: Simplify right side
    19,270.20x = 151,198,057.92
  5. Step 5: Solve for x
    x = 151,198,057.92/19,270.20
  6. Step 6: Final answer
    x = 7,846.21

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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.