Home / 16,940.64-25,413.32-7,077.68

Finding the Fourth Proportional to 16,940.64, 25,413.32 and 7,077.68

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Solution

The fourth proportional to 16,940.64, 25,413.32 and 7,077.68 is: 10,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.64 : 25,413.32 = 7,077.68 : x
  2. Step 2: Convert to fraction form
    16,940.64/25,413.32 = 7,077.68/x
  3. Step 3: Cross multiply
    16,940.64x = 25,413.32 × 7,077.68
  4. Step 4: Simplify right side
    16,940.64x = 179,867,346.70
  5. Step 5: Solve for x
    x = 179,867,346.70/16,940.64
  6. Step 6: Final answer
    x = 10,617.51

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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.