Home / 13,236.91-19,855.26-3,376.98

Finding the Fourth Proportional to 13,236.91, 19,855.26 and 3,376.98

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Solution

The fourth proportional to 13,236.91, 19,855.26 and 3,376.98 is: 5,065.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.91 : 19,855.26 = 3,376.98 : x
  2. Step 2: Convert to fraction form
    13,236.91/19,855.26 = 3,376.98/x
  3. Step 3: Cross multiply
    13,236.91x = 19,855.26 × 3,376.98
  4. Step 4: Simplify right side
    13,236.91x = 67,050,815.91
  5. Step 5: Solve for x
    x = 67,050,815.91/13,236.91
  6. Step 6: Final answer
    x = 5,065.44

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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.