Home / 10,940.87-16,410.50-4,276.12

Finding the Fourth Proportional to 10,940.87, 16,410.50 and 4,276.12

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Solution

The fourth proportional to 10,940.87, 16,410.50 and 4,276.12 is: 6,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.87 : 16,410.50 = 4,276.12 : x
  2. Step 2: Convert to fraction form
    10,940.87/16,410.50 = 4,276.12/x
  3. Step 3: Cross multiply
    10,940.87x = 16,410.50 × 4,276.12
  4. Step 4: Simplify right side
    10,940.87x = 70,173,236.92
  5. Step 5: Solve for x
    x = 70,173,236.92/10,940.87
  6. Step 6: Final answer
    x = 6,413.87

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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.