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Finding the Fourth Proportional to 11,160.38, 16,747.06 and 5,004.38

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Solution

The fourth proportional to 11,160.38, 16,747.06 and 5,004.38 is: 7,509.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.38 : 16,747.06 = 5,004.38 : x
  2. Step 2: Convert to fraction form
    11,160.38/16,747.06 = 5,004.38/x
  3. Step 3: Cross multiply
    11,160.38x = 16,747.06 × 5,004.38
  4. Step 4: Simplify right side
    11,160.38x = 83,808,652.12
  5. Step 5: Solve for x
    x = 83,808,652.12/11,160.38
  6. Step 6: Final answer
    x = 7,509.48

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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.