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Finding the Fourth Proportional to 9,998.64, 14,998.02 and 4,450.68

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Solution

The fourth proportional to 9,998.64, 14,998.02 and 4,450.68 is: 6,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.64 : 14,998.02 = 4,450.68 : x
  2. Step 2: Convert to fraction form
    9,998.64/14,998.02 = 4,450.68/x
  3. Step 3: Cross multiply
    9,998.64x = 14,998.02 × 4,450.68
  4. Step 4: Simplify right side
    9,998.64x = 66,751,387.65
  5. Step 5: Solve for x
    x = 66,751,387.65/9,998.64
  6. Step 6: Final answer
    x = 6,676.05

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Similar ratio
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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.