Home / 12,266.17-18,399.24-3,945.98

Finding the Fourth Proportional to 12,266.17, 18,399.24 and 3,945.98

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Solution

The fourth proportional to 12,266.17, 18,399.24 and 3,945.98 is: 5,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.17 : 18,399.24 = 3,945.98 : x
  2. Step 2: Convert to fraction form
    12,266.17/18,399.24 = 3,945.98/x
  3. Step 3: Cross multiply
    12,266.17x = 18,399.24 × 3,945.98
  4. Step 4: Simplify right side
    12,266.17x = 72,603,079.05
  5. Step 5: Solve for x
    x = 72,603,079.05/12,266.17
  6. Step 6: Final answer
    x = 5,918.97

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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.