Home / 19,138.76-26,413.96-10,755.26

Finding the Fourth Proportional to 19,138.76, 26,413.96 and 10,755.26

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Solution

The fourth proportional to 19,138.76, 26,413.96 and 10,755.26 is: 14,843.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.76 : 26,413.96 = 10,755.26 : x
  2. Step 2: Convert to fraction form
    19,138.76/26,413.96 = 10,755.26/x
  3. Step 3: Cross multiply
    19,138.76x = 26,413.96 × 10,755.26
  4. Step 4: Simplify right side
    19,138.76x = 284,089,007.43
  5. Step 5: Solve for x
    x = 284,089,007.43/19,138.76
  6. Step 6: Final answer
    x = 14,843.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.