Home / 19,413.70-26,791.22-10,917.61

Finding the Fourth Proportional to 19,413.70, 26,791.22 and 10,917.61

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Solution

The fourth proportional to 19,413.70, 26,791.22 and 10,917.61 is: 15,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.70 : 26,791.22 = 10,917.61 : x
  2. Step 2: Convert to fraction form
    19,413.70/26,791.22 = 10,917.61/x
  3. Step 3: Cross multiply
    19,413.70x = 26,791.22 × 10,917.61
  4. Step 4: Simplify right side
    19,413.70x = 292,496,091.38
  5. Step 5: Solve for x
    x = 292,496,091.38/19,413.70
  6. Step 6: Final answer
    x = 15,066.48

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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.