Home / 19,323.20-28,976.70-6,172.04

Finding the Fourth Proportional to 19,323.20, 28,976.70 and 6,172.04

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Solution

The fourth proportional to 19,323.20, 28,976.70 and 6,172.04 is: 9,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.20 : 28,976.70 = 6,172.04 : x
  2. Step 2: Convert to fraction form
    19,323.20/28,976.70 = 6,172.04/x
  3. Step 3: Cross multiply
    19,323.20x = 28,976.70 × 6,172.04
  4. Step 4: Simplify right side
    19,323.20x = 178,845,351.47
  5. Step 5: Solve for x
    x = 178,845,351.47/19,323.20
  6. Step 6: Final answer
    x = 9,255.47

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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.