Home / 9,336.50-12,884.31-5,144.75

Finding the Fourth Proportional to 9,336.50, 12,884.31 and 5,144.75

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Solution

The fourth proportional to 9,336.50, 12,884.31 and 5,144.75 is: 7,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.50 : 12,884.31 = 5,144.75 : x
  2. Step 2: Convert to fraction form
    9,336.50/12,884.31 = 5,144.75/x
  3. Step 3: Cross multiply
    9,336.50x = 12,884.31 × 5,144.75
  4. Step 4: Simplify right side
    9,336.50x = 66,286,586.08
  5. Step 5: Solve for x
    x = 66,286,586.08/9,336.50
  6. Step 6: Final answer
    x = 7,099.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.