Home / 12,195.84-18,289.44-4,800

Finding the Fourth Proportional to 12,195.84, 18,289.44 and 4,800

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Solution

The fourth proportional to 12,195.84, 18,289.44 and 4,800 is: 7,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.84 : 18,289.44 = 4,800 : x
  2. Step 2: Convert to fraction form
    12,195.84/18,289.44 = 4,800/x
  3. Step 3: Cross multiply
    12,195.84x = 18,289.44 × 4,800
  4. Step 4: Simplify right side
    12,195.84x = 87,789,312
  5. Step 5: Solve for x
    x = 87,789,312/12,195.84
  6. Step 6: Final answer
    x = 7,198.30

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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.