Home / 19,293.75-28,940.56-6,147.18

Finding the Fourth Proportional to 19,293.75, 28,940.56 and 6,147.18

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Solution

The fourth proportional to 19,293.75, 28,940.56 and 6,147.18 is: 9,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.75 : 28,940.56 = 6,147.18 : x
  2. Step 2: Convert to fraction form
    19,293.75/28,940.56 = 6,147.18/x
  3. Step 3: Cross multiply
    19,293.75x = 28,940.56 × 6,147.18
  4. Step 4: Simplify right side
    19,293.75x = 177,902,816.25
  5. Step 5: Solve for x
    x = 177,902,816.25/19,293.75
  6. Step 6: Final answer
    x = 9,220.75

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1.5x scale

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.