Home / 11,339.44-17,003.76-4,319.80

Finding the Fourth Proportional to 11,339.44, 17,003.76 and 4,319.80

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Solution

The fourth proportional to 11,339.44, 17,003.76 and 4,319.80 is: 6,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.44 : 17,003.76 = 4,319.80 : x
  2. Step 2: Convert to fraction form
    11,339.44/17,003.76 = 4,319.80/x
  3. Step 3: Cross multiply
    11,339.44x = 17,003.76 × 4,319.80
  4. Step 4: Simplify right side
    11,339.44x = 73,452,842.45
  5. Step 5: Solve for x
    x = 73,452,842.45/11,339.44
  6. Step 6: Final answer
    x = 6,477.64

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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.