Home / 19,263.84-28,896.75-5,413.92

Finding the Fourth Proportional to 19,263.84, 28,896.75 and 5,413.92

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Solution

The fourth proportional to 19,263.84, 28,896.75 and 5,413.92 is: 8,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.84 : 28,896.75 = 5,413.92 : x
  2. Step 2: Convert to fraction form
    19,263.84/28,896.75 = 5,413.92/x
  3. Step 3: Cross multiply
    19,263.84x = 28,896.75 × 5,413.92
  4. Step 4: Simplify right side
    19,263.84x = 156,444,692.76
  5. Step 5: Solve for x
    x = 156,444,692.76/19,263.84
  6. Step 6: Final answer
    x = 8,121.16

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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.