Home / 23,104.12-31,883.60-12,493.72

Finding the Fourth Proportional to 23,104.12, 31,883.60 and 12,493.72

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Solution

The fourth proportional to 23,104.12, 31,883.60 and 12,493.72 is: 17,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,104.12 : 31,883.60 = 12,493.72 : x
  2. Step 2: Convert to fraction form
    23,104.12/31,883.60 = 12,493.72/x
  3. Step 3: Cross multiply
    23,104.12x = 31,883.60 × 12,493.72
  4. Step 4: Simplify right side
    23,104.12x = 398,344,770.99
  5. Step 5: Solve for x
    x = 398,344,770.99/23,104.12
  6. Step 6: Final answer
    x = 17,241.29

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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.