Home / 20,904.24-28,847.88-11,951.97

Finding the Fourth Proportional to 20,904.24, 28,847.88 and 11,951.97

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Solution

The fourth proportional to 20,904.24, 28,847.88 and 11,951.97 is: 16,493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,904.24 : 28,847.88 = 11,951.97 : x
  2. Step 2: Convert to fraction form
    20,904.24/28,847.88 = 11,951.97/x
  3. Step 3: Cross multiply
    20,904.24x = 28,847.88 × 11,951.97
  4. Step 4: Simplify right side
    20,904.24x = 344,788,996.32
  5. Step 5: Solve for x
    x = 344,788,996.32/20,904.24
  6. Step 6: Final answer
    x = 16,493.74

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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.