Home / 16,880.72-25,293.68-10,286.88

Finding the Fourth Proportional to 16,880.72, 25,293.68 and 10,286.88

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Solution

The fourth proportional to 16,880.72, 25,293.68 and 10,286.88 is: 15,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.72 : 25,293.68 = 10,286.88 : x
  2. Step 2: Convert to fraction form
    16,880.72/25,293.68 = 10,286.88/x
  3. Step 3: Cross multiply
    16,880.72x = 25,293.68 × 10,286.88
  4. Step 4: Simplify right side
    16,880.72x = 260,193,050.92
  5. Step 5: Solve for x
    x = 260,193,050.92/16,880.72
  6. Step 6: Final answer
    x = 15,413.62

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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.