Home / 12,620.41-18,929.30-5,600.54

Finding the Fourth Proportional to 12,620.41, 18,929.30 and 5,600.54

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Solution

The fourth proportional to 12,620.41, 18,929.30 and 5,600.54 is: 8,400.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620.41 : 18,929.30 = 5,600.54 : x
  2. Step 2: Convert to fraction form
    12,620.41/18,929.30 = 5,600.54/x
  3. Step 3: Cross multiply
    12,620.41x = 18,929.30 × 5,600.54
  4. Step 4: Simplify right side
    12,620.41x = 106,014,321.14
  5. Step 5: Solve for x
    x = 106,014,321.14/12,620.41
  6. Step 6: Final answer
    x = 8,400.23

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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.