Home / 11,151.32-15,388.22-6,183

Finding the Fourth Proportional to 11,151.32, 15,388.22 and 6,183

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Solution

The fourth proportional to 11,151.32, 15,388.22 and 6,183 is: 8,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.32 : 15,388.22 = 6,183 : x
  2. Step 2: Convert to fraction form
    11,151.32/15,388.22 = 6,183/x
  3. Step 3: Cross multiply
    11,151.32x = 15,388.22 × 6,183
  4. Step 4: Simplify right side
    11,151.32x = 95,145,364.26
  5. Step 5: Solve for x
    x = 95,145,364.26/11,151.32
  6. Step 6: Final answer
    x = 8,532.21

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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.