Home / 16,413.28-22,618.72-11,929.93

Finding the Fourth Proportional to 16,413.28, 22,618.72 and 11,929.93

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Solution

The fourth proportional to 16,413.28, 22,618.72 and 11,929.93 is: 16,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,413.28 : 22,618.72 = 11,929.93 : x
  2. Step 2: Convert to fraction form
    16,413.28/22,618.72 = 11,929.93/x
  3. Step 3: Cross multiply
    16,413.28x = 22,618.72 × 11,929.93
  4. Step 4: Simplify right side
    16,413.28x = 269,839,659.92
  5. Step 5: Solve for x
    x = 269,839,659.92/16,413.28
  6. Step 6: Final answer
    x = 16,440.33

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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.