Home / 11,757.23-17,633.78-4,639.57

Finding the Fourth Proportional to 11,757.23, 17,633.78 and 4,639.57

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Solution

The fourth proportional to 11,757.23, 17,633.78 and 4,639.57 is: 6,958.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.23 : 17,633.78 = 4,639.57 : x
  2. Step 2: Convert to fraction form
    11,757.23/17,633.78 = 4,639.57/x
  3. Step 3: Cross multiply
    11,757.23x = 17,633.78 × 4,639.57
  4. Step 4: Simplify right side
    11,757.23x = 81,813,124.19
  5. Step 5: Solve for x
    x = 81,813,124.19/11,757.23
  6. Step 6: Final answer
    x = 6,958.54

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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.