Home / 8,163.53-11,271.08-6,271.73

Finding the Fourth Proportional to 8,163.53, 11,271.08 and 6,271.73

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Solution

The fourth proportional to 8,163.53, 11,271.08 and 6,271.73 is: 8,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.53 : 11,271.08 = 6,271.73 : x
  2. Step 2: Convert to fraction form
    8,163.53/11,271.08 = 6,271.73/x
  3. Step 3: Cross multiply
    8,163.53x = 11,271.08 × 6,271.73
  4. Step 4: Simplify right side
    8,163.53x = 70,689,082.85
  5. Step 5: Solve for x
    x = 70,689,082.85/8,163.53
  6. Step 6: Final answer
    x = 8,659.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.