Home / 11,976.96-16,528.46-6,942.81

Finding the Fourth Proportional to 11,976.96, 16,528.46 and 6,942.81

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Solution

The fourth proportional to 11,976.96, 16,528.46 and 6,942.81 is: 9,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.96 : 16,528.46 = 6,942.81 : x
  2. Step 2: Convert to fraction form
    11,976.96/16,528.46 = 6,942.81/x
  3. Step 3: Cross multiply
    11,976.96x = 16,528.46 × 6,942.81
  4. Step 4: Simplify right side
    11,976.96x = 114,753,957.37
  5. Step 5: Solve for x
    x = 114,753,957.37/11,976.96
  6. Step 6: Final answer
    x = 9,581.23

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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.