Home / 9,704.80-13,396.08-6,922.72

Finding the Fourth Proportional to 9,704.80, 13,396.08 and 6,922.72

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Solution

The fourth proportional to 9,704.80, 13,396.08 and 6,922.72 is: 9,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,704.80 : 13,396.08 = 6,922.72 : x
  2. Step 2: Convert to fraction form
    9,704.80/13,396.08 = 6,922.72/x
  3. Step 3: Cross multiply
    9,704.80x = 13,396.08 × 6,922.72
  4. Step 4: Simplify right side
    9,704.80x = 92,737,310.94
  5. Step 5: Solve for x
    x = 92,737,310.94/9,704.80
  6. Step 6: Final answer
    x = 9,555.82

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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.