Home / 18,734.21-28,093.10-7,039.22

Finding the Fourth Proportional to 18,734.21, 28,093.10 and 7,039.22

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Solution

The fourth proportional to 18,734.21, 28,093.10 and 7,039.22 is: 10,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.21 : 28,093.10 = 7,039.22 : x
  2. Step 2: Convert to fraction form
    18,734.21/28,093.10 = 7,039.22/x
  3. Step 3: Cross multiply
    18,734.21x = 28,093.10 × 7,039.22
  4. Step 4: Simplify right side
    18,734.21x = 197,753,335.72
  5. Step 5: Solve for x
    x = 197,753,335.72/18,734.21
  6. Step 6: Final answer
    x = 10,555.74

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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.