Home / 20,348.24-30,512.32-8,498.48

Finding the Fourth Proportional to 20,348.24, 30,512.32 and 8,498.48

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Solution

The fourth proportional to 20,348.24, 30,512.32 and 8,498.48 is: 12,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.24 : 30,512.32 = 8,498.48 : x
  2. Step 2: Convert to fraction form
    20,348.24/30,512.32 = 8,498.48/x
  3. Step 3: Cross multiply
    20,348.24x = 30,512.32 × 8,498.48
  4. Step 4: Simplify right side
    20,348.24x = 259,308,341.27
  5. Step 5: Solve for x
    x = 259,308,341.27/20,348.24
  6. Step 6: Final answer
    x = 12,743.53

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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.