Home / 12,942.64-19,413.99-3,582.69

Finding the Fourth Proportional to 12,942.64, 19,413.99 and 3,582.69

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Solution

The fourth proportional to 12,942.64, 19,413.99 and 3,582.69 is: 5,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.64 : 19,413.99 = 3,582.69 : x
  2. Step 2: Convert to fraction form
    12,942.64/19,413.99 = 3,582.69/x
  3. Step 3: Cross multiply
    12,942.64x = 19,413.99 × 3,582.69
  4. Step 4: Simplify right side
    12,942.64x = 69,554,224.95
  5. Step 5: Solve for x
    x = 69,554,224.95/12,942.64
  6. Step 6: Final answer
    x = 5,374.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.