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Finding the Fourth Proportional to 12,602.44, 18,903.84 and 4,811.68

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Solution

The fourth proportional to 12,602.44, 18,903.84 and 4,811.68 is: 7,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.44 : 18,903.84 = 4,811.68 : x
  2. Step 2: Convert to fraction form
    12,602.44/18,903.84 = 4,811.68/x
  3. Step 3: Cross multiply
    12,602.44x = 18,903.84 × 4,811.68
  4. Step 4: Simplify right side
    12,602.44x = 90,959,228.85
  5. Step 5: Solve for x
    x = 90,959,228.85/12,602.44
  6. Step 6: Final answer
    x = 7,217.59

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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.