Home / 18,943.03-28,413.51-5,795.40

Finding the Fourth Proportional to 18,943.03, 28,413.51 and 5,795.40

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Solution

The fourth proportional to 18,943.03, 28,413.51 and 5,795.40 is: 8,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.03 : 28,413.51 = 5,795.40 : x
  2. Step 2: Convert to fraction form
    18,943.03/28,413.51 = 5,795.40/x
  3. Step 3: Cross multiply
    18,943.03x = 28,413.51 × 5,795.40
  4. Step 4: Simplify right side
    18,943.03x = 164,667,655.85
  5. Step 5: Solve for x
    x = 164,667,655.85/18,943.03
  6. Step 6: Final answer
    x = 8,692.78

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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.