Home / 11,975.54-17,962.52-4,477.64

Finding the Fourth Proportional to 11,975.54, 17,962.52 and 4,477.64

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Solution

The fourth proportional to 11,975.54, 17,962.52 and 4,477.64 is: 6,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.54 : 17,962.52 = 4,477.64 : x
  2. Step 2: Convert to fraction form
    11,975.54/17,962.52 = 4,477.64/x
  3. Step 3: Cross multiply
    11,975.54x = 17,962.52 × 4,477.64
  4. Step 4: Simplify right side
    11,975.54x = 80,429,585.85
  5. Step 5: Solve for x
    x = 80,429,585.85/11,975.54
  6. Step 6: Final answer
    x = 6,716.16

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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.