Home / 9,911.89-13,676.34-6,727.65

Finding the Fourth Proportional to 9,911.89, 13,676.34 and 6,727.65

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Solution

The fourth proportional to 9,911.89, 13,676.34 and 6,727.65 is: 9,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.89 : 13,676.34 = 6,727.65 : x
  2. Step 2: Convert to fraction form
    9,911.89/13,676.34 = 6,727.65/x
  3. Step 3: Cross multiply
    9,911.89x = 13,676.34 × 6,727.65
  4. Step 4: Simplify right side
    9,911.89x = 92,009,628.80
  5. Step 5: Solve for x
    x = 92,009,628.80/9,911.89
  6. Step 6: Final answer
    x = 9,282.75

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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.