Home / 11,676.93-16,118.79-7,898.28

Finding the Fourth Proportional to 11,676.93, 16,118.79 and 7,898.28

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Solution

The fourth proportional to 11,676.93, 16,118.79 and 7,898.28 is: 10,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.93 : 16,118.79 = 7,898.28 : x
  2. Step 2: Convert to fraction form
    11,676.93/16,118.79 = 7,898.28/x
  3. Step 3: Cross multiply
    11,676.93x = 16,118.79 × 7,898.28
  4. Step 4: Simplify right side
    11,676.93x = 127,310,716.68
  5. Step 5: Solve for x
    x = 127,310,716.68/11,676.93
  6. Step 6: Final answer
    x = 10,902.76

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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.