Home / 9,986.22-14,979.70-3,745.60

Finding the Fourth Proportional to 9,986.22, 14,979.70 and 3,745.60

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Solution

The fourth proportional to 9,986.22, 14,979.70 and 3,745.60 is: 5,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.22 : 14,979.70 = 3,745.60 : x
  2. Step 2: Convert to fraction form
    9,986.22/14,979.70 = 3,745.60/x
  3. Step 3: Cross multiply
    9,986.22x = 14,979.70 × 3,745.60
  4. Step 4: Simplify right side
    9,986.22x = 56,107,964.32
  5. Step 5: Solve for x
    x = 56,107,964.32/9,986.22
  6. Step 6: Final answer
    x = 5,618.54

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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.