Home / 18,342.53-27,519.70-8,350.85

Finding the Fourth Proportional to 18,342.53, 27,519.70 and 8,350.85

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Solution

The fourth proportional to 18,342.53, 27,519.70 and 8,350.85 is: 12,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.53 : 27,519.70 = 8,350.85 : x
  2. Step 2: Convert to fraction form
    18,342.53/27,519.70 = 8,350.85/x
  3. Step 3: Cross multiply
    18,342.53x = 27,519.70 × 8,350.85
  4. Step 4: Simplify right side
    18,342.53x = 229,812,844.99
  5. Step 5: Solve for x
    x = 229,812,844.99/18,342.53
  6. Step 6: Final answer
    x = 12,528.96

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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.