Home / 11,271.71-16,904.52-4,247.24

Finding the Fourth Proportional to 11,271.71, 16,904.52 and 4,247.24

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Solution

The fourth proportional to 11,271.71, 16,904.52 and 4,247.24 is: 6,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.71 : 16,904.52 = 4,247.24 : x
  2. Step 2: Convert to fraction form
    11,271.71/16,904.52 = 4,247.24/x
  3. Step 3: Cross multiply
    11,271.71x = 16,904.52 × 4,247.24
  4. Step 4: Simplify right side
    11,271.71x = 71,797,469.00
  5. Step 5: Solve for x
    x = 71,797,469.00/11,271.71
  6. Step 6: Final answer
    x = 6,369.70

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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.