Home / 9,438.60-14,157.90-3,198.66

Finding the Fourth Proportional to 9,438.60, 14,157.90 and 3,198.66

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Solution

The fourth proportional to 9,438.60, 14,157.90 and 3,198.66 is: 4,797.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.60 : 14,157.90 = 3,198.66 : x
  2. Step 2: Convert to fraction form
    9,438.60/14,157.90 = 3,198.66/x
  3. Step 3: Cross multiply
    9,438.60x = 14,157.90 × 3,198.66
  4. Step 4: Simplify right side
    9,438.60x = 45,286,308.41
  5. Step 5: Solve for x
    x = 45,286,308.41/9,438.60
  6. Step 6: Final answer
    x = 4,797.99

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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.