Home / 19,413.27-26,788.46-11,348.81

Finding the Fourth Proportional to 19,413.27, 26,788.46 and 11,348.81

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Solution

The fourth proportional to 19,413.27, 26,788.46 and 11,348.81 is: 15,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.27 : 26,788.46 = 11,348.81 : x
  2. Step 2: Convert to fraction form
    19,413.27/26,788.46 = 11,348.81/x
  3. Step 3: Cross multiply
    19,413.27x = 26,788.46 × 11,348.81
  4. Step 4: Simplify right side
    19,413.27x = 304,016,952.05
  5. Step 5: Solve for x
    x = 304,016,952.05/19,413.27
  6. Step 6: Final answer
    x = 15,660.27

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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.