Home / 11,823.72-16,315.42-6,517.50

Finding the Fourth Proportional to 11,823.72, 16,315.42 and 6,517.50

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Solution

The fourth proportional to 11,823.72, 16,315.42 and 6,517.50 is: 8,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.72 : 16,315.42 = 6,517.50 : x
  2. Step 2: Convert to fraction form
    11,823.72/16,315.42 = 6,517.50/x
  3. Step 3: Cross multiply
    11,823.72x = 16,315.42 × 6,517.50
  4. Step 4: Simplify right side
    11,823.72x = 106,335,749.85
  5. Step 5: Solve for x
    x = 106,335,749.85/11,823.72
  6. Step 6: Final answer
    x = 8,993.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.