Home / 8,194.14-12,269.34-4,290.34

Finding the Fourth Proportional to 8,194.14, 12,269.34 and 4,290.34

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Solution

The fourth proportional to 8,194.14, 12,269.34 and 4,290.34 is: 6,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.14 : 12,269.34 = 4,290.34 : x
  2. Step 2: Convert to fraction form
    8,194.14/12,269.34 = 4,290.34/x
  3. Step 3: Cross multiply
    8,194.14x = 12,269.34 × 4,290.34
  4. Step 4: Simplify right side
    8,194.14x = 52,639,640.18
  5. Step 5: Solve for x
    x = 52,639,640.18/8,194.14
  6. Step 6: Final answer
    x = 6,424.06

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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.