Home / 10,965.45-16,449.45-3,847.51

Finding the Fourth Proportional to 10,965.45, 16,449.45 and 3,847.51

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Solution

The fourth proportional to 10,965.45, 16,449.45 and 3,847.51 is: 5,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.45 : 16,449.45 = 3,847.51 : x
  2. Step 2: Convert to fraction form
    10,965.45/16,449.45 = 3,847.51/x
  3. Step 3: Cross multiply
    10,965.45x = 16,449.45 × 3,847.51
  4. Step 4: Simplify right side
    10,965.45x = 63,289,341.12
  5. Step 5: Solve for x
    x = 63,289,341.12/10,965.45
  6. Step 6: Final answer
    x = 5,771.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.