Home / 8,172.39-12,258.57-2,016.39

Finding the Fourth Proportional to 8,172.39, 12,258.57 and 2,016.39

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Solution

The fourth proportional to 8,172.39, 12,258.57 and 2,016.39 is: 3,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.39 : 12,258.57 = 2,016.39 : x
  2. Step 2: Convert to fraction form
    8,172.39/12,258.57 = 2,016.39/x
  3. Step 3: Cross multiply
    8,172.39x = 12,258.57 × 2,016.39
  4. Step 4: Simplify right side
    8,172.39x = 24,718,057.96
  5. Step 5: Solve for x
    x = 24,718,057.96/8,172.39
  6. Step 6: Final answer
    x = 3,024.58

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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.