Home / 8,269.11-12,405.42-2,425.23

Finding the Fourth Proportional to 8,269.11, 12,405.42 and 2,425.23

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Solution

The fourth proportional to 8,269.11, 12,405.42 and 2,425.23 is: 3,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.11 : 12,405.42 = 2,425.23 : x
  2. Step 2: Convert to fraction form
    8,269.11/12,405.42 = 2,425.23/x
  3. Step 3: Cross multiply
    8,269.11x = 12,405.42 × 2,425.23
  4. Step 4: Simplify right side
    8,269.11x = 30,085,996.75
  5. Step 5: Solve for x
    x = 30,085,996.75/8,269.11
  6. Step 6: Final answer
    x = 3,638.36

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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.