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Finding the Fourth Proportional to 15,227.85, 22,851.98 and 5,367.15

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Solution

The fourth proportional to 15,227.85, 22,851.98 and 5,367.15 is: 8,054.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,227.85 : 22,851.98 = 5,367.15 : x
  2. Step 2: Convert to fraction form
    15,227.85/22,851.98 = 5,367.15/x
  3. Step 3: Cross multiply
    15,227.85x = 22,851.98 × 5,367.15
  4. Step 4: Simplify right side
    15,227.85x = 122,649,977.62
  5. Step 5: Solve for x
    x = 122,649,977.62/15,227.85
  6. Step 6: Final answer
    x = 8,054.32

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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.