Home / 11,699.06-16,144.94-6,394.20

Finding the Fourth Proportional to 11,699.06, 16,144.94 and 6,394.20

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Solution

The fourth proportional to 11,699.06, 16,144.94 and 6,394.20 is: 8,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.06 : 16,144.94 = 6,394.20 : x
  2. Step 2: Convert to fraction form
    11,699.06/16,144.94 = 6,394.20/x
  3. Step 3: Cross multiply
    11,699.06x = 16,144.94 × 6,394.20
  4. Step 4: Simplify right side
    11,699.06x = 103,233,975.35
  5. Step 5: Solve for x
    x = 103,233,975.35/11,699.06
  6. Step 6: Final answer
    x = 8,824.13

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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.