Home / 11,679.21-17,516.46-4,281.15

Finding the Fourth Proportional to 11,679.21, 17,516.46 and 4,281.15

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Solution

The fourth proportional to 11,679.21, 17,516.46 and 4,281.15 is: 6,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.21 : 17,516.46 = 4,281.15 : x
  2. Step 2: Convert to fraction form
    11,679.21/17,516.46 = 4,281.15/x
  3. Step 3: Cross multiply
    11,679.21x = 17,516.46 × 4,281.15
  4. Step 4: Simplify right side
    11,679.21x = 74,990,592.73
  5. Step 5: Solve for x
    x = 74,990,592.73/11,679.21
  6. Step 6: Final answer
    x = 6,420.86

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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.