Home / 19,323.14-28,986.83-6,172.42

Finding the Fourth Proportional to 19,323.14, 28,986.83 and 6,172.42

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Solution

The fourth proportional to 19,323.14, 28,986.83 and 6,172.42 is: 9,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.14 : 28,986.83 = 6,172.42 : x
  2. Step 2: Convert to fraction form
    19,323.14/28,986.83 = 6,172.42/x
  3. Step 3: Cross multiply
    19,323.14x = 28,986.83 × 6,172.42
  4. Step 4: Simplify right side
    19,323.14x = 178,918,889.23
  5. Step 5: Solve for x
    x = 178,918,889.23/19,323.14
  6. Step 6: Final answer
    x = 9,259.31

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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.