Home / 11,801.99-16,286.61-6,496.70

Finding the Fourth Proportional to 11,801.99, 16,286.61 and 6,496.70

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Solution

The fourth proportional to 11,801.99, 16,286.61 and 6,496.70 is: 8,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.99 : 16,286.61 = 6,496.70 : x
  2. Step 2: Convert to fraction form
    11,801.99/16,286.61 = 6,496.70/x
  3. Step 3: Cross multiply
    11,801.99x = 16,286.61 × 6,496.70
  4. Step 4: Simplify right side
    11,801.99x = 105,809,219.19
  5. Step 5: Solve for x
    x = 105,809,219.19/11,801.99
  6. Step 6: Final answer
    x = 8,965.37

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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.