Home / 8,646.14-12,969.42-3,099.87

Finding the Fourth Proportional to 8,646.14, 12,969.42 and 3,099.87

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Solution

The fourth proportional to 8,646.14, 12,969.42 and 3,099.87 is: 4,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.14 : 12,969.42 = 3,099.87 : x
  2. Step 2: Convert to fraction form
    8,646.14/12,969.42 = 3,099.87/x
  3. Step 3: Cross multiply
    8,646.14x = 12,969.42 × 3,099.87
  4. Step 4: Simplify right side
    8,646.14x = 40,203,515.98
  5. Step 5: Solve for x
    x = 40,203,515.98/8,646.14
  6. Step 6: Final answer
    x = 4,649.88

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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.