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Finding the Fourth Proportional to 20,047.14, 30,054.51 and 8,369.10

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Solution

The fourth proportional to 20,047.14, 30,054.51 and 8,369.10 is: 12,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.14 : 30,054.51 = 8,369.10 : x
  2. Step 2: Convert to fraction form
    20,047.14/30,054.51 = 8,369.10/x
  3. Step 3: Cross multiply
    20,047.14x = 30,054.51 × 8,369.10
  4. Step 4: Simplify right side
    20,047.14x = 251,529,199.64
  5. Step 5: Solve for x
    x = 251,529,199.64/20,047.14
  6. Step 6: Final answer
    x = 12,546.89

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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.