Home / 18,996.45-28,494.67-8,463.75

Finding the Fourth Proportional to 18,996.45, 28,494.67 and 8,463.75

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Solution

The fourth proportional to 18,996.45, 28,494.67 and 8,463.75 is: 12,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.45 : 28,494.67 = 8,463.75 : x
  2. Step 2: Convert to fraction form
    18,996.45/28,494.67 = 8,463.75/x
  3. Step 3: Cross multiply
    18,996.45x = 28,494.67 × 8,463.75
  4. Step 4: Simplify right side
    18,996.45x = 241,171,763.21
  5. Step 5: Solve for x
    x = 241,171,763.21/18,996.45
  6. Step 6: Final answer
    x = 12,695.62

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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.