Home / 18,968.33-28,430.34-14,273.25

Finding the Fourth Proportional to 18,968.33, 28,430.34 and 14,273.25

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Solution

The fourth proportional to 18,968.33, 28,430.34 and 14,273.25 is: 21,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,968.33 : 28,430.34 = 14,273.25 : x
  2. Step 2: Convert to fraction form
    18,968.33/28,430.34 = 14,273.25/x
  3. Step 3: Cross multiply
    18,968.33x = 28,430.34 × 14,273.25
  4. Step 4: Simplify right side
    18,968.33x = 405,793,190.27
  5. Step 5: Solve for x
    x = 405,793,190.27/18,968.33
  6. Step 6: Final answer
    x = 21,393.20

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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.