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Finding the Fourth Proportional to 45,396, 68,094 and 12,564

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Solution

The fourth proportional to 45,396, 68,094 and 12,564 is: 18,846

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,396 : 68,094 = 12,564 : x
  2. Step 2: Convert to fraction form
    45,396/68,094 = 12,564/x
  3. Step 3: Cross multiply
    45,396x = 68,094 × 12,564
  4. Step 4: Simplify right side
    45,396x = 855,533,016
  5. Step 5: Solve for x
    x = 855,533,016/45,396
  6. Step 6: Final answer
    x = 18,846

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