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Finding the Fourth Proportional to 9,646.56, 14,469.84 and 3,072.75

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Solution

The fourth proportional to 9,646.56, 14,469.84 and 3,072.75 is: 4,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,646.56 : 14,469.84 = 3,072.75 : x
  2. Step 2: Convert to fraction form
    9,646.56/14,469.84 = 3,072.75/x
  3. Step 3: Cross multiply
    9,646.56x = 14,469.84 × 3,072.75
  4. Step 4: Simplify right side
    9,646.56x = 44,462,200.86
  5. Step 5: Solve for x
    x = 44,462,200.86/9,646.56
  6. Step 6: Final answer
    x = 4,609.13

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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.