Home / 11,323.52-16,979.79-4,747.94

Finding the Fourth Proportional to 11,323.52, 16,979.79 and 4,747.94

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Solution

The fourth proportional to 11,323.52, 16,979.79 and 4,747.94 is: 7,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.52 : 16,979.79 = 4,747.94 : x
  2. Step 2: Convert to fraction form
    11,323.52/16,979.79 = 4,747.94/x
  3. Step 3: Cross multiply
    11,323.52x = 16,979.79 × 4,747.94
  4. Step 4: Simplify right side
    11,323.52x = 80,618,939.23
  5. Step 5: Solve for x
    x = 80,618,939.23/11,323.52
  6. Step 6: Final answer
    x = 7,119.60

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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.