Home / 19,413.36-26,790.29-11,029.86

Finding the Fourth Proportional to 19,413.36, 26,790.29 and 11,029.86

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Solution

The fourth proportional to 19,413.36, 26,790.29 and 11,029.86 is: 15,221.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.36 : 26,790.29 = 11,029.86 : x
  2. Step 2: Convert to fraction form
    19,413.36/26,790.29 = 11,029.86/x
  3. Step 3: Cross multiply
    19,413.36x = 26,790.29 × 11,029.86
  4. Step 4: Simplify right side
    19,413.36x = 295,493,148.06
  5. Step 5: Solve for x
    x = 295,493,148.06/19,413.36
  6. Step 6: Final answer
    x = 15,221.12

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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.