Home / 11,003.88-16,509.90-4,431.96

Finding the Fourth Proportional to 11,003.88, 16,509.90 and 4,431.96

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Solution

The fourth proportional to 11,003.88, 16,509.90 and 4,431.96 is: 6,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.88 : 16,509.90 = 4,431.96 : x
  2. Step 2: Convert to fraction form
    11,003.88/16,509.90 = 4,431.96/x
  3. Step 3: Cross multiply
    11,003.88x = 16,509.90 × 4,431.96
  4. Step 4: Simplify right side
    11,003.88x = 73,171,216.40
  5. Step 5: Solve for x
    x = 73,171,216.40/11,003.88
  6. Step 6: Final answer
    x = 6,649.58

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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.