Home / 11,677.20-17,515.74-6,743.64

Finding the Fourth Proportional to 11,677.20, 17,515.74 and 6,743.64

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Solution

The fourth proportional to 11,677.20, 17,515.74 and 6,743.64 is: 10,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.20 : 17,515.74 = 6,743.64 : x
  2. Step 2: Convert to fraction form
    11,677.20/17,515.74 = 6,743.64/x
  3. Step 3: Cross multiply
    11,677.20x = 17,515.74 × 6,743.64
  4. Step 4: Simplify right side
    11,677.20x = 118,119,844.89
  5. Step 5: Solve for x
    x = 118,119,844.89/11,677.20
  6. Step 6: Final answer
    x = 10,115.43

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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.