Home / 12,418.82-18,620.70-5,014.64

Finding the Fourth Proportional to 12,418.82, 18,620.70 and 5,014.64

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Solution

The fourth proportional to 12,418.82, 18,620.70 and 5,014.64 is: 7,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.82 : 18,620.70 = 5,014.64 : x
  2. Step 2: Convert to fraction form
    12,418.82/18,620.70 = 5,014.64/x
  3. Step 3: Cross multiply
    12,418.82x = 18,620.70 × 5,014.64
  4. Step 4: Simplify right side
    12,418.82x = 93,376,107.05
  5. Step 5: Solve for x
    x = 93,376,107.05/12,418.82
  6. Step 6: Final answer
    x = 7,518.92

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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.