Home / 11,611.14-17,418.80-4,225.96

Finding the Fourth Proportional to 11,611.14, 17,418.80 and 4,225.96

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Solution

The fourth proportional to 11,611.14, 17,418.80 and 4,225.96 is: 6,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.14 : 17,418.80 = 4,225.96 : x
  2. Step 2: Convert to fraction form
    11,611.14/17,418.80 = 4,225.96/x
  3. Step 3: Cross multiply
    11,611.14x = 17,418.80 × 4,225.96
  4. Step 4: Simplify right side
    11,611.14x = 73,611,152.05
  5. Step 5: Solve for x
    x = 73,611,152.05/11,611.14
  6. Step 6: Final answer
    x = 6,339.70

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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.