Home / 12,944.13-19,413.93-4,179.12

Finding the Fourth Proportional to 12,944.13, 19,413.93 and 4,179.12

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Solution

The fourth proportional to 12,944.13, 19,413.93 and 4,179.12 is: 6,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.13 : 19,413.93 = 4,179.12 : x
  2. Step 2: Convert to fraction form
    12,944.13/19,413.93 = 4,179.12/x
  3. Step 3: Cross multiply
    12,944.13x = 19,413.93 × 4,179.12
  4. Step 4: Simplify right side
    12,944.13x = 81,133,143.14
  5. Step 5: Solve for x
    x = 81,133,143.14/12,944.13
  6. Step 6: Final answer
    x = 6,267.95

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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.