Home / 11,818.74-17,722.26-6,889.62

Finding the Fourth Proportional to 11,818.74, 17,722.26 and 6,889.62

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Solution

The fourth proportional to 11,818.74, 17,722.26 and 6,889.62 is: 10,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.74 : 17,722.26 = 6,889.62 : x
  2. Step 2: Convert to fraction form
    11,818.74/17,722.26 = 6,889.62/x
  3. Step 3: Cross multiply
    11,818.74x = 17,722.26 × 6,889.62
  4. Step 4: Simplify right side
    11,818.74x = 122,099,636.94
  5. Step 5: Solve for x
    x = 122,099,636.94/11,818.74
  6. Step 6: Final answer
    x = 10,331.02

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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.