Home / 9,336.63-12,884.48-5,144.88

Finding the Fourth Proportional to 9,336.63, 12,884.48 and 5,144.88

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Solution

The fourth proportional to 9,336.63, 12,884.48 and 5,144.88 is: 7,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.63 : 12,884.48 = 5,144.88 : x
  2. Step 2: Convert to fraction form
    9,336.63/12,884.48 = 5,144.88/x
  3. Step 3: Cross multiply
    9,336.63x = 12,884.48 × 5,144.88
  4. Step 4: Simplify right side
    9,336.63x = 66,289,103.46
  5. Step 5: Solve for x
    x = 66,289,103.46/9,336.63
  6. Step 6: Final answer
    x = 7,099.90

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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.