Home / 11,996.93-16,555.37-6,619.35

Finding the Fourth Proportional to 11,996.93, 16,555.37 and 6,619.35

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Solution

The fourth proportional to 11,996.93, 16,555.37 and 6,619.35 is: 9,134.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.93 : 16,555.37 = 6,619.35 : x
  2. Step 2: Convert to fraction form
    11,996.93/16,555.37 = 6,619.35/x
  3. Step 3: Cross multiply
    11,996.93x = 16,555.37 × 6,619.35
  4. Step 4: Simplify right side
    11,996.93x = 109,585,755.31
  5. Step 5: Solve for x
    x = 109,585,755.31/11,996.93
  6. Step 6: Final answer
    x = 9,134.49

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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.