Home / 11,323.37-16,979.58-4,747.79

Finding the Fourth Proportional to 11,323.37, 16,979.58 and 4,747.79

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Solution

The fourth proportional to 11,323.37, 16,979.58 and 4,747.79 is: 7,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.37 : 16,979.58 = 4,747.79 : x
  2. Step 2: Convert to fraction form
    11,323.37/16,979.58 = 4,747.79/x
  3. Step 3: Cross multiply
    11,323.37x = 16,979.58 × 4,747.79
  4. Step 4: Simplify right side
    11,323.37x = 80,615,395.23
  5. Step 5: Solve for x
    x = 80,615,395.23/11,323.37
  6. Step 6: Final answer
    x = 7,119.39

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1.5x scale

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.