Home / 11,889.20-17,837.78-4,495.76

Finding the Fourth Proportional to 11,889.20, 17,837.78 and 4,495.76

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Solution

The fourth proportional to 11,889.20, 17,837.78 and 4,495.76 is: 6,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889.20 : 17,837.78 = 4,495.76 : x
  2. Step 2: Convert to fraction form
    11,889.20/17,837.78 = 4,495.76/x
  3. Step 3: Cross multiply
    11,889.20x = 17,837.78 × 4,495.76
  4. Step 4: Simplify right side
    11,889.20x = 80,194,377.81
  5. Step 5: Solve for x
    x = 80,194,377.81/11,889.20
  6. Step 6: Final answer
    x = 6,745.14

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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.