Home / 14,413.08-21,619.62-11,130.96

Finding the Fourth Proportional to 14,413.08, 21,619.62 and 11,130.96

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Solution

The fourth proportional to 14,413.08, 21,619.62 and 11,130.96 is: 16,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.08 : 21,619.62 = 11,130.96 : x
  2. Step 2: Convert to fraction form
    14,413.08/21,619.62 = 11,130.96/x
  3. Step 3: Cross multiply
    14,413.08x = 21,619.62 × 11,130.96
  4. Step 4: Simplify right side
    14,413.08x = 240,647,125.44
  5. Step 5: Solve for x
    x = 240,647,125.44/14,413.08
  6. Step 6: Final answer
    x = 16,696.44

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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.