Home / 9,400.21-12,965.39-6,750.34

Finding the Fourth Proportional to 9,400.21, 12,965.39 and 6,750.34

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Solution

The fourth proportional to 9,400.21, 12,965.39 and 6,750.34 is: 9,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.21 : 12,965.39 = 6,750.34 : x
  2. Step 2: Convert to fraction form
    9,400.21/12,965.39 = 6,750.34/x
  3. Step 3: Cross multiply
    9,400.21x = 12,965.39 × 6,750.34
  4. Step 4: Simplify right side
    9,400.21x = 87,520,749.88
  5. Step 5: Solve for x
    x = 87,520,749.88/9,400.21
  6. Step 6: Final answer
    x = 9,310.51

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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.