Home / 20,413.24-30,605.94-10,393.36

Finding the Fourth Proportional to 20,413.24, 30,605.94 and 10,393.36

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Solution

The fourth proportional to 20,413.24, 30,605.94 and 10,393.36 is: 15,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413.24 : 30,605.94 = 10,393.36 : x
  2. Step 2: Convert to fraction form
    20,413.24/30,605.94 = 10,393.36/x
  3. Step 3: Cross multiply
    20,413.24x = 30,605.94 × 10,393.36
  4. Step 4: Simplify right side
    20,413.24x = 318,098,500.59
  5. Step 5: Solve for x
    x = 318,098,500.59/20,413.24
  6. Step 6: Final answer
    x = 15,582.95

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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.