Home / 12,754.60-19,131.91-4,855.23

Finding the Fourth Proportional to 12,754.60, 19,131.91 and 4,855.23

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Solution

The fourth proportional to 12,754.60, 19,131.91 and 4,855.23 is: 7,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.60 : 19,131.91 = 4,855.23 : x
  2. Step 2: Convert to fraction form
    12,754.60/19,131.91 = 4,855.23/x
  3. Step 3: Cross multiply
    12,754.60x = 19,131.91 × 4,855.23
  4. Step 4: Simplify right side
    12,754.60x = 92,889,811.25
  5. Step 5: Solve for x
    x = 92,889,811.25/12,754.60
  6. Step 6: Final answer
    x = 7,282.85

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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.