Home / 8,178.45-12,267.66-2,022.45

Finding the Fourth Proportional to 8,178.45, 12,267.66 and 2,022.45

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Solution

The fourth proportional to 8,178.45, 12,267.66 and 2,022.45 is: 3,033.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.45 : 12,267.66 = 2,022.45 : x
  2. Step 2: Convert to fraction form
    8,178.45/12,267.66 = 2,022.45/x
  3. Step 3: Cross multiply
    8,178.45x = 12,267.66 × 2,022.45
  4. Step 4: Simplify right side
    8,178.45x = 24,810,728.97
  5. Step 5: Solve for x
    x = 24,810,728.97/8,178.45
  6. Step 6: Final answer
    x = 3,033.67

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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.