Home / 11,143.44-15,377.46-6,664.54

Finding the Fourth Proportional to 11,143.44, 15,377.46 and 6,664.54

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Solution

The fourth proportional to 11,143.44, 15,377.46 and 6,664.54 is: 9,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.44 : 15,377.46 = 6,664.54 : x
  2. Step 2: Convert to fraction form
    11,143.44/15,377.46 = 6,664.54/x
  3. Step 3: Cross multiply
    11,143.44x = 15,377.46 × 6,664.54
  4. Step 4: Simplify right side
    11,143.44x = 102,483,697.27
  5. Step 5: Solve for x
    x = 102,483,697.27/11,143.44
  6. Step 6: Final answer
    x = 9,196.77

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1.5x scale

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.