Home / 9,396.42-12,961.36-6,209.74

Finding the Fourth Proportional to 9,396.42, 12,961.36 and 6,209.74

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Solution

The fourth proportional to 9,396.42, 12,961.36 and 6,209.74 is: 8,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.42 : 12,961.36 = 6,209.74 : x
  2. Step 2: Convert to fraction form
    9,396.42/12,961.36 = 6,209.74/x
  3. Step 3: Cross multiply
    9,396.42x = 12,961.36 × 6,209.74
  4. Step 4: Simplify right side
    9,396.42x = 80,486,675.65
  5. Step 5: Solve for x
    x = 80,486,675.65/9,396.42
  6. Step 6: Final answer
    x = 8,565.67

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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.