Home / 20,239.64-30,352.17-8,553.77

Finding the Fourth Proportional to 20,239.64, 30,352.17 and 8,553.77

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Solution

The fourth proportional to 20,239.64, 30,352.17 and 8,553.77 is: 12,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.64 : 30,352.17 = 8,553.77 : x
  2. Step 2: Convert to fraction form
    20,239.64/30,352.17 = 8,553.77/x
  3. Step 3: Cross multiply
    20,239.64x = 30,352.17 × 8,553.77
  4. Step 4: Simplify right side
    20,239.64x = 259,625,481.18
  5. Step 5: Solve for x
    x = 259,625,481.18/20,239.64
  6. Step 6: Final answer
    x = 12,827.57

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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.