Home / 11,180.36-15,428.86-6,144.44

Finding the Fourth Proportional to 11,180.36, 15,428.86 and 6,144.44

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Solution

The fourth proportional to 11,180.36, 15,428.86 and 6,144.44 is: 8,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.36 : 15,428.86 = 6,144.44 : x
  2. Step 2: Convert to fraction form
    11,180.36/15,428.86 = 6,144.44/x
  3. Step 3: Cross multiply
    11,180.36x = 15,428.86 × 6,144.44
  4. Step 4: Simplify right side
    11,180.36x = 94,801,704.54
  5. Step 5: Solve for x
    x = 94,801,704.54/11,180.36
  6. Step 6: Final answer
    x = 8,479.31

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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.