Home / 12,423.06-18,634.62-3,658.08

Finding the Fourth Proportional to 12,423.06, 18,634.62 and 3,658.08

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Solution

The fourth proportional to 12,423.06, 18,634.62 and 3,658.08 is: 5,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.06 : 18,634.62 = 3,658.08 : x
  2. Step 2: Convert to fraction form
    12,423.06/18,634.62 = 3,658.08/x
  3. Step 3: Cross multiply
    12,423.06x = 18,634.62 × 3,658.08
  4. Step 4: Simplify right side
    12,423.06x = 68,166,930.73
  5. Step 5: Solve for x
    x = 68,166,930.73/12,423.06
  6. Step 6: Final answer
    x = 5,487.13

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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.