Home / 11,763.80-16,233.97-6,386.34

Finding the Fourth Proportional to 11,763.80, 16,233.97 and 6,386.34

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Solution

The fourth proportional to 11,763.80, 16,233.97 and 6,386.34 is: 8,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.80 : 16,233.97 = 6,386.34 : x
  2. Step 2: Convert to fraction form
    11,763.80/16,233.97 = 6,386.34/x
  3. Step 3: Cross multiply
    11,763.80x = 16,233.97 × 6,386.34
  4. Step 4: Simplify right side
    11,763.80x = 103,675,651.97
  5. Step 5: Solve for x
    x = 103,675,651.97/11,763.80
  6. Step 6: Final answer
    x = 8,813.11

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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.