Home / 11,811.44-16,299.90-6,506.28

Finding the Fourth Proportional to 11,811.44, 16,299.90 and 6,506.28

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Solution

The fourth proportional to 11,811.44, 16,299.90 and 6,506.28 is: 8,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.44 : 16,299.90 = 6,506.28 : x
  2. Step 2: Convert to fraction form
    11,811.44/16,299.90 = 6,506.28/x
  3. Step 3: Cross multiply
    11,811.44x = 16,299.90 × 6,506.28
  4. Step 4: Simplify right side
    11,811.44x = 106,051,713.37
  5. Step 5: Solve for x
    x = 106,051,713.37/11,811.44
  6. Step 6: Final answer
    x = 8,978.73

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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.