Home / 11,977.98-16,529.79-6,942.57

Finding the Fourth Proportional to 11,977.98, 16,529.79 and 6,942.57

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Solution

The fourth proportional to 11,977.98, 16,529.79 and 6,942.57 is: 9,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.98 : 16,529.79 = 6,942.57 : x
  2. Step 2: Convert to fraction form
    11,977.98/16,529.79 = 6,942.57/x
  3. Step 3: Cross multiply
    11,977.98x = 16,529.79 × 6,942.57
  4. Step 4: Simplify right side
    11,977.98x = 114,759,224.16
  5. Step 5: Solve for x
    x = 114,759,224.16/11,977.98
  6. Step 6: Final answer
    x = 9,580.85

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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.