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Finding the Fourth Proportional to 9,940.68, 14,906.97 and 4,318.74

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Solution

The fourth proportional to 9,940.68, 14,906.97 and 4,318.74 is: 6,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.68 : 14,906.97 = 4,318.74 : x
  2. Step 2: Convert to fraction form
    9,940.68/14,906.97 = 4,318.74/x
  3. Step 3: Cross multiply
    9,940.68x = 14,906.97 × 4,318.74
  4. Step 4: Simplify right side
    9,940.68x = 64,379,327.62
  5. Step 5: Solve for x
    x = 64,379,327.62/9,940.68
  6. Step 6: Final answer
    x = 6,476.35

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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.