Home / 12,610.28-18,916.48-3,845.26

Finding the Fourth Proportional to 12,610.28, 18,916.48 and 3,845.26

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Solution

The fourth proportional to 12,610.28, 18,916.48 and 3,845.26 is: 5,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.28 : 18,916.48 = 3,845.26 : x
  2. Step 2: Convert to fraction form
    12,610.28/18,916.48 = 3,845.26/x
  3. Step 3: Cross multiply
    12,610.28x = 18,916.48 × 3,845.26
  4. Step 4: Simplify right side
    12,610.28x = 72,738,783.88
  5. Step 5: Solve for x
    x = 72,738,783.88/12,610.28
  6. Step 6: Final answer
    x = 5,768.21

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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.