Home / 11,278.60-16,918.34-5,037.44

Finding the Fourth Proportional to 11,278.60, 16,918.34 and 5,037.44

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Solution

The fourth proportional to 11,278.60, 16,918.34 and 5,037.44 is: 7,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.60 : 16,918.34 = 5,037.44 : x
  2. Step 2: Convert to fraction form
    11,278.60/16,918.34 = 5,037.44/x
  3. Step 3: Cross multiply
    11,278.60x = 16,918.34 × 5,037.44
  4. Step 4: Simplify right side
    11,278.60x = 85,225,122.65
  5. Step 5: Solve for x
    x = 85,225,122.65/11,278.60
  6. Step 6: Final answer
    x = 7,556.36

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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.