Home / 9,211.08-12,682.14-8,369.26

Finding the Fourth Proportional to 9,211.08, 12,682.14 and 8,369.26

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Solution

The fourth proportional to 9,211.08, 12,682.14 and 8,369.26 is: 11,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.08 : 12,682.14 = 8,369.26 : x
  2. Step 2: Convert to fraction form
    9,211.08/12,682.14 = 8,369.26/x
  3. Step 3: Cross multiply
    9,211.08x = 12,682.14 × 8,369.26
  4. Step 4: Simplify right side
    9,211.08x = 106,140,205.88
  5. Step 5: Solve for x
    x = 106,140,205.88/9,211.08
  6. Step 6: Final answer
    x = 11,523.10

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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.