Home / 11,977.44-16,529.58-6,940.05

Finding the Fourth Proportional to 11,977.44, 16,529.58 and 6,940.05

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Solution

The fourth proportional to 11,977.44, 16,529.58 and 6,940.05 is: 9,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.44 : 16,529.58 = 6,940.05 : x
  2. Step 2: Convert to fraction form
    11,977.44/16,529.58 = 6,940.05/x
  3. Step 3: Cross multiply
    11,977.44x = 16,529.58 × 6,940.05
  4. Step 4: Simplify right side
    11,977.44x = 114,716,111.68
  5. Step 5: Solve for x
    x = 114,716,111.68/11,977.44
  6. Step 6: Final answer
    x = 9,577.68

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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.