Home / 12,559.22-17,334.11-8,310.37

Finding the Fourth Proportional to 12,559.22, 17,334.11 and 8,310.37

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Solution

The fourth proportional to 12,559.22, 17,334.11 and 8,310.37 is: 11,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.22 : 17,334.11 = 8,310.37 : x
  2. Step 2: Convert to fraction form
    12,559.22/17,334.11 = 8,310.37/x
  3. Step 3: Cross multiply
    12,559.22x = 17,334.11 × 8,310.37
  4. Step 4: Simplify right side
    12,559.22x = 144,052,867.72
  5. Step 5: Solve for x
    x = 144,052,867.72/12,559.22
  6. Step 6: Final answer
    x = 11,469.89

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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.