Home / 9,676.82-13,350.16-6,318.56

Finding the Fourth Proportional to 9,676.82, 13,350.16 and 6,318.56

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Solution

The fourth proportional to 9,676.82, 13,350.16 and 6,318.56 is: 8,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676.82 : 13,350.16 = 6,318.56 : x
  2. Step 2: Convert to fraction form
    9,676.82/13,350.16 = 6,318.56/x
  3. Step 3: Cross multiply
    9,676.82x = 13,350.16 × 6,318.56
  4. Step 4: Simplify right side
    9,676.82x = 84,353,786.97
  5. Step 5: Solve for x
    x = 84,353,786.97/9,676.82
  6. Step 6: Final answer
    x = 8,717.10

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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.