Home / 18,942.70-28,413.02-5,795.07

Finding the Fourth Proportional to 18,942.70, 28,413.02 and 5,795.07

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Solution

The fourth proportional to 18,942.70, 28,413.02 and 5,795.07 is: 8,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.70 : 28,413.02 = 5,795.07 : x
  2. Step 2: Convert to fraction form
    18,942.70/28,413.02 = 5,795.07/x
  3. Step 3: Cross multiply
    18,942.70x = 28,413.02 × 5,795.07
  4. Step 4: Simplify right side
    18,942.70x = 164,655,439.81
  5. Step 5: Solve for x
    x = 164,655,439.81/18,942.70
  6. Step 6: Final answer
    x = 8,692.29

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1.5x scale

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.