Home / 11,911.24-17,863.21-8,237.08

Finding the Fourth Proportional to 11,911.24, 17,863.21 and 8,237.08

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Solution

The fourth proportional to 11,911.24, 17,863.21 and 8,237.08 is: 12,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,911.24 : 17,863.21 = 8,237.08 : x
  2. Step 2: Convert to fraction form
    11,911.24/17,863.21 = 8,237.08/x
  3. Step 3: Cross multiply
    11,911.24x = 17,863.21 × 8,237.08
  4. Step 4: Simplify right side
    11,911.24x = 147,140,648.64
  5. Step 5: Solve for x
    x = 147,140,648.64/11,911.24
  6. Step 6: Final answer
    x = 12,353.09

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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.