Home / 10,183.94-15,280.50-6,485.22

Finding the Fourth Proportional to 10,183.94, 15,280.50 and 6,485.22

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Solution

The fourth proportional to 10,183.94, 15,280.50 and 6,485.22 is: 9,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.94 : 15,280.50 = 6,485.22 : x
  2. Step 2: Convert to fraction form
    10,183.94/15,280.50 = 6,485.22/x
  3. Step 3: Cross multiply
    10,183.94x = 15,280.50 × 6,485.22
  4. Step 4: Simplify right side
    10,183.94x = 99,097,404.21
  5. Step 5: Solve for x
    x = 99,097,404.21/10,183.94
  6. Step 6: Final answer
    x = 9,730.75

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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.