Home / 10,986.13-16,475.78-3,965.23

Finding the Fourth Proportional to 10,986.13, 16,475.78 and 3,965.23

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Solution

The fourth proportional to 10,986.13, 16,475.78 and 3,965.23 is: 5,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.13 : 16,475.78 = 3,965.23 : x
  2. Step 2: Convert to fraction form
    10,986.13/16,475.78 = 3,965.23/x
  3. Step 3: Cross multiply
    10,986.13x = 16,475.78 × 3,965.23
  4. Step 4: Simplify right side
    10,986.13x = 65,330,257.13
  5. Step 5: Solve for x
    x = 65,330,257.13/10,986.13
  6. Step 6: Final answer
    x = 5,946.61

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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.