Home / 12,944.12-19,413.95-4,179.11

Finding the Fourth Proportional to 12,944.12, 19,413.95 and 4,179.11

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Solution

The fourth proportional to 12,944.12, 19,413.95 and 4,179.11 is: 6,267.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.12 : 19,413.95 = 4,179.11 : x
  2. Step 2: Convert to fraction form
    12,944.12/19,413.95 = 4,179.11/x
  3. Step 3: Cross multiply
    12,944.12x = 19,413.95 × 4,179.11
  4. Step 4: Simplify right side
    12,944.12x = 81,132,914.62
  5. Step 5: Solve for x
    x = 81,132,914.62/12,944.12
  6. Step 6: Final answer
    x = 6,267.94

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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.