Home / 18,012.93-27,023.39-6,919.62

Finding the Fourth Proportional to 18,012.93, 27,023.39 and 6,919.62

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Solution

The fourth proportional to 18,012.93, 27,023.39 and 6,919.62 is: 10,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.93 : 27,023.39 = 6,919.62 : x
  2. Step 2: Convert to fraction form
    18,012.93/27,023.39 = 6,919.62/x
  3. Step 3: Cross multiply
    18,012.93x = 27,023.39 × 6,919.62
  4. Step 4: Simplify right side
    18,012.93x = 186,991,555.31
  5. Step 5: Solve for x
    x = 186,991,555.31/18,012.93
  6. Step 6: Final answer
    x = 10,380.96

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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.