Home / 11,145.92-15,381.16-6,110

Finding the Fourth Proportional to 11,145.92, 15,381.16 and 6,110

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Solution

The fourth proportional to 11,145.92, 15,381.16 and 6,110 is: 8,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.92 : 15,381.16 = 6,110 : x
  2. Step 2: Convert to fraction form
    11,145.92/15,381.16 = 6,110/x
  3. Step 3: Cross multiply
    11,145.92x = 15,381.16 × 6,110
  4. Step 4: Simplify right side
    11,145.92x = 93,978,887.60
  5. Step 5: Solve for x
    x = 93,978,887.60/11,145.92
  6. Step 6: Final answer
    x = 8,431.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.