Home / 10,968.36-16,453.44-4,390.96

Finding the Fourth Proportional to 10,968.36, 16,453.44 and 4,390.96

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Solution

The fourth proportional to 10,968.36, 16,453.44 and 4,390.96 is: 6,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.36 : 16,453.44 = 4,390.96 : x
  2. Step 2: Convert to fraction form
    10,968.36/16,453.44 = 4,390.96/x
  3. Step 3: Cross multiply
    10,968.36x = 16,453.44 × 4,390.96
  4. Step 4: Simplify right side
    10,968.36x = 72,246,396.90
  5. Step 5: Solve for x
    x = 72,246,396.90/10,968.36
  6. Step 6: Final answer
    x = 6,586.80

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Why These Related Problems?

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