Home / 11,237.88-16,857.21-4,217.18

Finding the Fourth Proportional to 11,237.88, 16,857.21 and 4,217.18

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Solution

The fourth proportional to 11,237.88, 16,857.21 and 4,217.18 is: 6,325.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.88 : 16,857.21 = 4,217.18 : x
  2. Step 2: Convert to fraction form
    11,237.88/16,857.21 = 4,217.18/x
  3. Step 3: Cross multiply
    11,237.88x = 16,857.21 × 4,217.18
  4. Step 4: Simplify right side
    11,237.88x = 71,089,888.87
  5. Step 5: Solve for x
    x = 71,089,888.87/11,237.88
  6. Step 6: Final answer
    x = 6,325.92

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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.