Home / 11,237.72-16,858.41-4,218.29

Finding the Fourth Proportional to 11,237.72, 16,858.41 and 4,218.29

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Solution

The fourth proportional to 11,237.72, 16,858.41 and 4,218.29 is: 6,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.72 : 16,858.41 = 4,218.29 : x
  2. Step 2: Convert to fraction form
    11,237.72/16,858.41 = 4,218.29/x
  3. Step 3: Cross multiply
    11,237.72x = 16,858.41 × 4,218.29
  4. Step 4: Simplify right side
    11,237.72x = 71,113,556.94
  5. Step 5: Solve for x
    x = 71,113,556.94/11,237.72
  6. Step 6: Final answer
    x = 6,328.11

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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.