Home / 12,198.22-18,303.48-4,807.98

Finding the Fourth Proportional to 12,198.22, 18,303.48 and 4,807.98

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Solution

The fourth proportional to 12,198.22, 18,303.48 and 4,807.98 is: 7,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.22 : 18,303.48 = 4,807.98 : x
  2. Step 2: Convert to fraction form
    12,198.22/18,303.48 = 4,807.98/x
  3. Step 3: Cross multiply
    12,198.22x = 18,303.48 × 4,807.98
  4. Step 4: Simplify right side
    12,198.22x = 88,002,765.77
  5. Step 5: Solve for x
    x = 88,002,765.77/12,198.22
  6. Step 6: Final answer
    x = 7,214.39

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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.