Home / 11,699.37-16,144.92-6,394.14

Finding the Fourth Proportional to 11,699.37, 16,144.92 and 6,394.14

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Solution

The fourth proportional to 11,699.37, 16,144.92 and 6,394.14 is: 8,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.37 : 16,144.92 = 6,394.14 : x
  2. Step 2: Convert to fraction form
    11,699.37/16,144.92 = 6,394.14/x
  3. Step 3: Cross multiply
    11,699.37x = 16,144.92 × 6,394.14
  4. Step 4: Simplify right side
    11,699.37x = 103,232,878.77
  5. Step 5: Solve for x
    x = 103,232,878.77/11,699.37
  6. Step 6: Final answer
    x = 8,823.80

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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.