Home / 11,620.14-17,424.74-4,219.38

Finding the Fourth Proportional to 11,620.14, 17,424.74 and 4,219.38

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Solution

The fourth proportional to 11,620.14, 17,424.74 and 4,219.38 is: 6,327.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.14 : 17,424.74 = 4,219.38 : x
  2. Step 2: Convert to fraction form
    11,620.14/17,424.74 = 4,219.38/x
  3. Step 3: Cross multiply
    11,620.14x = 17,424.74 × 4,219.38
  4. Step 4: Simplify right side
    11,620.14x = 73,521,578.36
  5. Step 5: Solve for x
    x = 73,521,578.36/11,620.14
  6. Step 6: Final answer
    x = 6,327.08

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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.