Home / 13,217.06-19,811.76-4,448.96

Finding the Fourth Proportional to 13,217.06, 19,811.76 and 4,448.96

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Solution

The fourth proportional to 13,217.06, 19,811.76 and 4,448.96 is: 6,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.06 : 19,811.76 = 4,448.96 : x
  2. Step 2: Convert to fraction form
    13,217.06/19,811.76 = 4,448.96/x
  3. Step 3: Cross multiply
    13,217.06x = 19,811.76 × 4,448.96
  4. Step 4: Simplify right side
    13,217.06x = 88,141,727.77
  5. Step 5: Solve for x
    x = 88,141,727.77/13,217.06
  6. Step 6: Final answer
    x = 6,668.78

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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.