Home / 11,146.22-16,707.54-4,121.72

Finding the Fourth Proportional to 11,146.22, 16,707.54 and 4,121.72

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Solution

The fourth proportional to 11,146.22, 16,707.54 and 4,121.72 is: 6,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.22 : 16,707.54 = 4,121.72 : x
  2. Step 2: Convert to fraction form
    11,146.22/16,707.54 = 4,121.72/x
  3. Step 3: Cross multiply
    11,146.22x = 16,707.54 × 4,121.72
  4. Step 4: Simplify right side
    11,146.22x = 68,863,890.32
  5. Step 5: Solve for x
    x = 68,863,890.32/11,146.22
  6. Step 6: Final answer
    x = 6,178.23

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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.