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Finding the Fourth Proportional to 14,649.58, 21,975.72 and 4,788.91

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Solution

The fourth proportional to 14,649.58, 21,975.72 and 4,788.91 is: 7,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.58 : 21,975.72 = 4,788.91 : x
  2. Step 2: Convert to fraction form
    14,649.58/21,975.72 = 4,788.91/x
  3. Step 3: Cross multiply
    14,649.58x = 21,975.72 × 4,788.91
  4. Step 4: Simplify right side
    14,649.58x = 105,239,745.27
  5. Step 5: Solve for x
    x = 105,239,745.27/14,649.58
  6. Step 6: Final answer
    x = 7,183.81

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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.