Home / 11,162.08-16,745.92-7,881.58

Finding the Fourth Proportional to 11,162.08, 16,745.92 and 7,881.58

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Solution

The fourth proportional to 11,162.08, 16,745.92 and 7,881.58 is: 11,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.08 : 16,745.92 = 7,881.58 : x
  2. Step 2: Convert to fraction form
    11,162.08/16,745.92 = 7,881.58/x
  3. Step 3: Cross multiply
    11,162.08x = 16,745.92 × 7,881.58
  4. Step 4: Simplify right side
    11,162.08x = 131,984,308.15
  5. Step 5: Solve for x
    x = 131,984,308.15/11,162.08
  6. Step 6: Final answer
    x = 11,824.35

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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.