Home / 11,325.81-16,983.60-3,425.28

Finding the Fourth Proportional to 11,325.81, 16,983.60 and 3,425.28

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Solution

The fourth proportional to 11,325.81, 16,983.60 and 3,425.28 is: 5,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.81 : 16,983.60 = 3,425.28 : x
  2. Step 2: Convert to fraction form
    11,325.81/16,983.60 = 3,425.28/x
  3. Step 3: Cross multiply
    11,325.81x = 16,983.60 × 3,425.28
  4. Step 4: Simplify right side
    11,325.81x = 58,173,585.41
  5. Step 5: Solve for x
    x = 58,173,585.41/11,325.81
  6. Step 6: Final answer
    x = 5,136.37

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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.