Home / 19,413.08-26,791.00-10,917.88

Finding the Fourth Proportional to 19,413.08, 26,791.00 and 10,917.88

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Solution

The fourth proportional to 19,413.08, 26,791.00 and 10,917.88 is: 15,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,413.08 : 26,791.00 = 10,917.88 : x
  2. Step 2: Convert to fraction form
    19,413.08/26,791.00 = 10,917.88/x
  3. Step 3: Cross multiply
    19,413.08x = 26,791.00 × 10,917.88
  4. Step 4: Simplify right side
    19,413.08x = 292,500,828.81
  5. Step 5: Solve for x
    x = 292,500,828.81/19,413.08
  6. Step 6: Final answer
    x = 15,067.20

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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.