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Finding the Fourth Proportional to 9,940.32, 14,891.04 and 9,084.96

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Solution

The fourth proportional to 9,940.32, 14,891.04 and 9,084.96 is: 13,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.32 : 14,891.04 = 9,084.96 : x
  2. Step 2: Convert to fraction form
    9,940.32/14,891.04 = 9,084.96/x
  3. Step 3: Cross multiply
    9,940.32x = 14,891.04 × 9,084.96
  4. Step 4: Simplify right side
    9,940.32x = 135,284,502.76
  5. Step 5: Solve for x
    x = 135,284,502.76/9,940.32
  6. Step 6: Final answer
    x = 13,609.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.