Home / 12,015.18-18,023.68-3,249.97

Finding the Fourth Proportional to 12,015.18, 18,023.68 and 3,249.97

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Solution

The fourth proportional to 12,015.18, 18,023.68 and 3,249.97 is: 4,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.18 : 18,023.68 = 3,249.97 : x
  2. Step 2: Convert to fraction form
    12,015.18/18,023.68 = 3,249.97/x
  3. Step 3: Cross multiply
    12,015.18x = 18,023.68 × 3,249.97
  4. Step 4: Simplify right side
    12,015.18x = 58,576,419.29
  5. Step 5: Solve for x
    x = 58,576,419.29/12,015.18
  6. Step 6: Final answer
    x = 4,875.20

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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.