Home / 12,814.82-19,222.35-4,495.04

Finding the Fourth Proportional to 12,814.82, 19,222.35 and 4,495.04

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Solution

The fourth proportional to 12,814.82, 19,222.35 and 4,495.04 is: 6,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.82 : 19,222.35 = 4,495.04 : x
  2. Step 2: Convert to fraction form
    12,814.82/19,222.35 = 4,495.04/x
  3. Step 3: Cross multiply
    12,814.82x = 19,222.35 × 4,495.04
  4. Step 4: Simplify right side
    12,814.82x = 86,405,136.03
  5. Step 5: Solve for x
    x = 86,405,136.03/12,814.82
  6. Step 6: Final answer
    x = 6,742.60

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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.