Home / 15,121.21-22,683.09-4,027.90

Finding the Fourth Proportional to 15,121.21, 22,683.09 and 4,027.90

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Solution

The fourth proportional to 15,121.21, 22,683.09 and 4,027.90 is: 6,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.21 : 22,683.09 = 4,027.90 : x
  2. Step 2: Convert to fraction form
    15,121.21/22,683.09 = 4,027.90/x
  3. Step 3: Cross multiply
    15,121.21x = 22,683.09 × 4,027.90
  4. Step 4: Simplify right side
    15,121.21x = 91,365,218.21
  5. Step 5: Solve for x
    x = 91,365,218.21/15,121.21
  6. Step 6: Final answer
    x = 6,042.19

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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.