Home / 19,619.98-29,413.38-8,518.27

Finding the Fourth Proportional to 19,619.98, 29,413.38 and 8,518.27

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Solution

The fourth proportional to 19,619.98, 29,413.38 and 8,518.27 is: 12,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.98 : 29,413.38 = 8,518.27 : x
  2. Step 2: Convert to fraction form
    19,619.98/29,413.38 = 8,518.27/x
  3. Step 3: Cross multiply
    19,619.98x = 29,413.38 × 8,518.27
  4. Step 4: Simplify right side
    19,619.98x = 250,551,112.45
  5. Step 5: Solve for x
    x = 250,551,112.45/19,619.98
  6. Step 6: Final answer
    x = 12,770.20

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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.