Home / 9,155.67-12,633.96-6,767.07

Finding the Fourth Proportional to 9,155.67, 12,633.96 and 6,767.07

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Solution

The fourth proportional to 9,155.67, 12,633.96 and 6,767.07 is: 9,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.67 : 12,633.96 = 6,767.07 : x
  2. Step 2: Convert to fraction form
    9,155.67/12,633.96 = 6,767.07/x
  3. Step 3: Cross multiply
    9,155.67x = 12,633.96 × 6,767.07
  4. Step 4: Simplify right side
    9,155.67x = 85,494,891.70
  5. Step 5: Solve for x
    x = 85,494,891.70/9,155.67
  6. Step 6: Final answer
    x = 9,337.92

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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.