Home / 12,610.24-18,912.60-3,842.80

Finding the Fourth Proportional to 12,610.24, 18,912.60 and 3,842.80

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Solution

The fourth proportional to 12,610.24, 18,912.60 and 3,842.80 is: 5,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.24 : 18,912.60 = 3,842.80 : x
  2. Step 2: Convert to fraction form
    12,610.24/18,912.60 = 3,842.80/x
  3. Step 3: Cross multiply
    12,610.24x = 18,912.60 × 3,842.80
  4. Step 4: Simplify right side
    12,610.24x = 72,677,339.28
  5. Step 5: Solve for x
    x = 72,677,339.28/12,610.24
  6. Step 6: Final answer
    x = 5,763.36

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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.