Home / 11,329.28-16,991.04-4,400

Finding the Fourth Proportional to 11,329.28, 16,991.04 and 4,400

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Solution

The fourth proportional to 11,329.28, 16,991.04 and 4,400 is: 6,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.28 : 16,991.04 = 4,400 : x
  2. Step 2: Convert to fraction form
    11,329.28/16,991.04 = 4,400/x
  3. Step 3: Cross multiply
    11,329.28x = 16,991.04 × 4,400
  4. Step 4: Simplify right side
    11,329.28x = 74,760,576
  5. Step 5: Solve for x
    x = 74,760,576/11,329.28
  6. Step 6: Final answer
    x = 6,598.88

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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.