Home / 11,676.80-16,113.48-6,371.36

Finding the Fourth Proportional to 11,676.80, 16,113.48 and 6,371.36

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Solution

The fourth proportional to 11,676.80, 16,113.48 and 6,371.36 is: 8,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,676.80 : 16,113.48 = 6,371.36 : x
  2. Step 2: Convert to fraction form
    11,676.80/16,113.48 = 6,371.36/x
  3. Step 3: Cross multiply
    11,676.80x = 16,113.48 × 6,371.36
  4. Step 4: Simplify right side
    11,676.80x = 102,664,781.93
  5. Step 5: Solve for x
    x = 102,664,781.93/11,676.80
  6. Step 6: Final answer
    x = 8,792.20

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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.