Home / 11,651.72-16,074.26-7,873.51

Finding the Fourth Proportional to 11,651.72, 16,074.26 and 7,873.51

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Solution

The fourth proportional to 11,651.72, 16,074.26 and 7,873.51 is: 10,861.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.72 : 16,074.26 = 7,873.51 : x
  2. Step 2: Convert to fraction form
    11,651.72/16,074.26 = 7,873.51/x
  3. Step 3: Cross multiply
    11,651.72x = 16,074.26 × 7,873.51
  4. Step 4: Simplify right side
    11,651.72x = 126,560,901.39
  5. Step 5: Solve for x
    x = 126,560,901.39/11,651.72
  6. Step 6: Final answer
    x = 10,861.99

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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.