Home / 11,336.88-16,986.12-6,945.18

Finding the Fourth Proportional to 11,336.88, 16,986.12 and 6,945.18

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Solution

The fourth proportional to 11,336.88, 16,986.12 and 6,945.18 is: 10,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.88 : 16,986.12 = 6,945.18 : x
  2. Step 2: Convert to fraction form
    11,336.88/16,986.12 = 6,945.18/x
  3. Step 3: Cross multiply
    11,336.88x = 16,986.12 × 6,945.18
  4. Step 4: Simplify right side
    11,336.88x = 117,971,660.90
  5. Step 5: Solve for x
    x = 117,971,660.90/11,336.88
  6. Step 6: Final answer
    x = 10,406.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.