Home / 11,677.05-16,114.19-6,371.75

Finding the Fourth Proportional to 11,677.05, 16,114.19 and 6,371.75

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Solution

The fourth proportional to 11,677.05, 16,114.19 and 6,371.75 is: 8,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.05 : 16,114.19 = 6,371.75 : x
  2. Step 2: Convert to fraction form
    11,677.05/16,114.19 = 6,371.75/x
  3. Step 3: Cross multiply
    11,677.05x = 16,114.19 × 6,371.75
  4. Step 4: Simplify right side
    11,677.05x = 102,675,477.70
  5. Step 5: Solve for x
    x = 102,675,477.70/11,677.05
  6. Step 6: Final answer
    x = 8,792.93

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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.