Home / 9,315.26-12,853.04-6,797.96

Finding the Fourth Proportional to 9,315.26, 12,853.04 and 6,797.96

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Solution

The fourth proportional to 9,315.26, 12,853.04 and 6,797.96 is: 9,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.26 : 12,853.04 = 6,797.96 : x
  2. Step 2: Convert to fraction form
    9,315.26/12,853.04 = 6,797.96/x
  3. Step 3: Cross multiply
    9,315.26x = 12,853.04 × 6,797.96
  4. Step 4: Simplify right side
    9,315.26x = 87,374,353.54
  5. Step 5: Solve for x
    x = 87,374,353.54/9,315.26
  6. Step 6: Final answer
    x = 9,379.71

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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.