Home / 11,159.38-16,745.56-5,003.38

Finding the Fourth Proportional to 11,159.38, 16,745.56 and 5,003.38

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Solution

The fourth proportional to 11,159.38, 16,745.56 and 5,003.38 is: 7,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.38 : 16,745.56 = 5,003.38 : x
  2. Step 2: Convert to fraction form
    11,159.38/16,745.56 = 5,003.38/x
  3. Step 3: Cross multiply
    11,159.38x = 16,745.56 × 5,003.38
  4. Step 4: Simplify right side
    11,159.38x = 83,784,399.99
  5. Step 5: Solve for x
    x = 83,784,399.99/11,159.38
  6. Step 6: Final answer
    x = 7,507.98

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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.