Home / 11,279.52-16,923.60-5,435.64

Finding the Fourth Proportional to 11,279.52, 16,923.60 and 5,435.64

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Solution

The fourth proportional to 11,279.52, 16,923.60 and 5,435.64 is: 8,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.52 : 16,923.60 = 5,435.64 : x
  2. Step 2: Convert to fraction form
    11,279.52/16,923.60 = 5,435.64/x
  3. Step 3: Cross multiply
    11,279.52x = 16,923.60 × 5,435.64
  4. Step 4: Simplify right side
    11,279.52x = 91,990,597.10
  5. Step 5: Solve for x
    x = 91,990,597.10/11,279.52
  6. Step 6: Final answer
    x = 8,155.54

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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.