Home / 13,237.20-19,855.62-3,376.44

Finding the Fourth Proportional to 13,237.20, 19,855.62 and 3,376.44

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Solution

The fourth proportional to 13,237.20, 19,855.62 and 3,376.44 is: 5,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.20 : 19,855.62 = 3,376.44 : x
  2. Step 2: Convert to fraction form
    13,237.20/19,855.62 = 3,376.44/x
  3. Step 3: Cross multiply
    13,237.20x = 19,855.62 × 3,376.44
  4. Step 4: Simplify right side
    13,237.20x = 67,041,309.59
  5. Step 5: Solve for x
    x = 67,041,309.59/13,237.20
  6. Step 6: Final answer
    x = 5,064.61

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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.