Home / 9,325.94-13,989.20-3,086.30

Finding the Fourth Proportional to 9,325.94, 13,989.20 and 3,086.30

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Solution

The fourth proportional to 9,325.94, 13,989.20 and 3,086.30 is: 4,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.94 : 13,989.20 = 3,086.30 : x
  2. Step 2: Convert to fraction form
    9,325.94/13,989.20 = 3,086.30/x
  3. Step 3: Cross multiply
    9,325.94x = 13,989.20 × 3,086.30
  4. Step 4: Simplify right side
    9,325.94x = 43,174,782.58
  5. Step 5: Solve for x
    x = 43,174,782.58/9,325.94
  6. Step 6: Final answer
    x = 4,629.54

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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.