Home / 18,734.22-28,105.38-6,255.36

Finding the Fourth Proportional to 18,734.22, 28,105.38 and 6,255.36

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Solution

The fourth proportional to 18,734.22, 28,105.38 and 6,255.36 is: 9,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.22 : 28,105.38 = 6,255.36 : x
  2. Step 2: Convert to fraction form
    18,734.22/28,105.38 = 6,255.36/x
  3. Step 3: Cross multiply
    18,734.22x = 28,105.38 × 6,255.36
  4. Step 4: Simplify right side
    18,734.22x = 175,809,269.84
  5. Step 5: Solve for x
    x = 175,809,269.84/18,734.22
  6. Step 6: Final answer
    x = 9,384.39

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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.