Home / 18,273.56-27,407.22-5,122.89

Finding the Fourth Proportional to 18,273.56, 27,407.22 and 5,122.89

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Solution

The fourth proportional to 18,273.56, 27,407.22 and 5,122.89 is: 7,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.56 : 27,407.22 = 5,122.89 : x
  2. Step 2: Convert to fraction form
    18,273.56/27,407.22 = 5,122.89/x
  3. Step 3: Cross multiply
    18,273.56x = 27,407.22 × 5,122.89
  4. Step 4: Simplify right side
    18,273.56x = 140,404,173.27
  5. Step 5: Solve for x
    x = 140,404,173.27/18,273.56
  6. Step 6: Final answer
    x = 7,683.46

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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.