Home / 11,049.21-16,575.64-4,479.91

Finding the Fourth Proportional to 11,049.21, 16,575.64 and 4,479.91

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Solution

The fourth proportional to 11,049.21, 16,575.64 and 4,479.91 is: 6,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.21 : 16,575.64 = 4,479.91 : x
  2. Step 2: Convert to fraction form
    11,049.21/16,575.64 = 4,479.91/x
  3. Step 3: Cross multiply
    11,049.21x = 16,575.64 × 4,479.91
  4. Step 4: Simplify right side
    11,049.21x = 74,257,322.75
  5. Step 5: Solve for x
    x = 74,257,322.75/11,049.21
  6. Step 6: Final answer
    x = 6,720.60

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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.