Home / 12,849.24-19,271.10-4,081.80

Finding the Fourth Proportional to 12,849.24, 19,271.10 and 4,081.80

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Solution

The fourth proportional to 12,849.24, 19,271.10 and 4,081.80 is: 6,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.24 : 19,271.10 = 4,081.80 : x
  2. Step 2: Convert to fraction form
    12,849.24/19,271.10 = 4,081.80/x
  3. Step 3: Cross multiply
    12,849.24x = 19,271.10 × 4,081.80
  4. Step 4: Simplify right side
    12,849.24x = 78,660,775.98
  5. Step 5: Solve for x
    x = 78,660,775.98/12,849.24
  6. Step 6: Final answer
    x = 6,121.82

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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.