Home / 19,122.87-26,387.62-11,169.73

Finding the Fourth Proportional to 19,122.87, 26,387.62 and 11,169.73

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Solution

The fourth proportional to 19,122.87, 26,387.62 and 11,169.73 is: 15,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.87 : 26,387.62 = 11,169.73 : x
  2. Step 2: Convert to fraction form
    19,122.87/26,387.62 = 11,169.73/x
  3. Step 3: Cross multiply
    19,122.87x = 26,387.62 × 11,169.73
  4. Step 4: Simplify right side
    19,122.87x = 294,742,590.74
  5. Step 5: Solve for x
    x = 294,742,590.74/19,122.87
  6. Step 6: Final answer
    x = 15,413.09

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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.