Home / 22,039.03-30,413.79-11,967.40

Finding the Fourth Proportional to 22,039.03, 30,413.79 and 11,967.40

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Solution

The fourth proportional to 22,039.03, 30,413.79 and 11,967.40 is: 16,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.03 : 30,413.79 = 11,967.40 : x
  2. Step 2: Convert to fraction form
    22,039.03/30,413.79 = 11,967.40/x
  3. Step 3: Cross multiply
    22,039.03x = 30,413.79 × 11,967.40
  4. Step 4: Simplify right side
    22,039.03x = 363,973,990.45
  5. Step 5: Solve for x
    x = 363,973,990.45/22,039.03
  6. Step 6: Final answer
    x = 16,514.97

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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.