Home / 11,669.40-16,103.88-6,954.12

Finding the Fourth Proportional to 11,669.40, 16,103.88 and 6,954.12

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Solution

The fourth proportional to 11,669.40, 16,103.88 and 6,954.12 is: 9,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.40 : 16,103.88 = 6,954.12 : x
  2. Step 2: Convert to fraction form
    11,669.40/16,103.88 = 6,954.12/x
  3. Step 3: Cross multiply
    11,669.40x = 16,103.88 × 6,954.12
  4. Step 4: Simplify right side
    11,669.40x = 111,988,313.99
  5. Step 5: Solve for x
    x = 111,988,313.99/11,669.40
  6. Step 6: Final answer
    x = 9,596.75

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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.