Home / 11,185.89-16,768.35-3,785.16

Finding the Fourth Proportional to 11,185.89, 16,768.35 and 3,785.16

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Solution

The fourth proportional to 11,185.89, 16,768.35 and 3,785.16 is: 5,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.89 : 16,768.35 = 3,785.16 : x
  2. Step 2: Convert to fraction form
    11,185.89/16,768.35 = 3,785.16/x
  3. Step 3: Cross multiply
    11,185.89x = 16,768.35 × 3,785.16
  4. Step 4: Simplify right side
    11,185.89x = 63,470,950.57
  5. Step 5: Solve for x
    x = 63,470,950.57/11,185.89
  6. Step 6: Final answer
    x = 5,674.20

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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.