Home / 19,224.63-28,834.56-5,185.80

Finding the Fourth Proportional to 19,224.63, 28,834.56 and 5,185.80

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Solution

The fourth proportional to 19,224.63, 28,834.56 and 5,185.80 is: 7,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,224.63 : 28,834.56 = 5,185.80 : x
  2. Step 2: Convert to fraction form
    19,224.63/28,834.56 = 5,185.80/x
  3. Step 3: Cross multiply
    19,224.63x = 28,834.56 × 5,185.80
  4. Step 4: Simplify right side
    19,224.63x = 149,530,261.25
  5. Step 5: Solve for x
    x = 149,530,261.25/19,224.63
  6. Step 6: Final answer
    x = 7,778.06

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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.