Home / 10,933.54-16,396.28-3,911.64

Finding the Fourth Proportional to 10,933.54, 16,396.28 and 3,911.64

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Solution

The fourth proportional to 10,933.54, 16,396.28 and 3,911.64 is: 5,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.54 : 16,396.28 = 3,911.64 : x
  2. Step 2: Convert to fraction form
    10,933.54/16,396.28 = 3,911.64/x
  3. Step 3: Cross multiply
    10,933.54x = 16,396.28 × 3,911.64
  4. Step 4: Simplify right side
    10,933.54x = 64,136,344.70
  5. Step 5: Solve for x
    x = 64,136,344.70/10,933.54
  6. Step 6: Final answer
    x = 5,866.02

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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.