Home / 12,016.70-18,025.33-4,119.15

Finding the Fourth Proportional to 12,016.70, 18,025.33 and 4,119.15

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Solution

The fourth proportional to 12,016.70, 18,025.33 and 4,119.15 is: 6,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.70 : 18,025.33 = 4,119.15 : x
  2. Step 2: Convert to fraction form
    12,016.70/18,025.33 = 4,119.15/x
  3. Step 3: Cross multiply
    12,016.70x = 18,025.33 × 4,119.15
  4. Step 4: Simplify right side
    12,016.70x = 74,249,096.73
  5. Step 5: Solve for x
    x = 74,249,096.73/12,016.70
  6. Step 6: Final answer
    x = 6,178.83

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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.