Home / 12,017.21-18,025.79-3,252.80

Finding the Fourth Proportional to 12,017.21, 18,025.79 and 3,252.80

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Solution

The fourth proportional to 12,017.21, 18,025.79 and 3,252.80 is: 4,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.21 : 18,025.79 = 3,252.80 : x
  2. Step 2: Convert to fraction form
    12,017.21/18,025.79 = 3,252.80/x
  3. Step 3: Cross multiply
    12,017.21x = 18,025.79 × 3,252.80
  4. Step 4: Simplify right side
    12,017.21x = 58,634,318.51
  5. Step 5: Solve for x
    x = 58,634,318.51/12,017.21
  6. Step 6: Final answer
    x = 4,879.20

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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.