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Finding the Fourth Proportional to 21,548, 32,322 and 6,956

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Solution

The fourth proportional to 21,548, 32,322 and 6,956 is: 10,434

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548 : 32,322 = 6,956 : x
  2. Step 2: Convert to fraction form
    21,548/32,322 = 6,956/x
  3. Step 3: Cross multiply
    21,548x = 32,322 × 6,956
  4. Step 4: Simplify right side
    21,548x = 224,831,832
  5. Step 5: Solve for x
    x = 224,831,832/21,548
  6. Step 6: Final answer
    x = 10,434

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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.