Home / 11,210.42-16,817.26-3,418.22

Finding the Fourth Proportional to 11,210.42, 16,817.26 and 3,418.22

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Solution

The fourth proportional to 11,210.42, 16,817.26 and 3,418.22 is: 5,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.42 : 16,817.26 = 3,418.22 : x
  2. Step 2: Convert to fraction form
    11,210.42/16,817.26 = 3,418.22/x
  3. Step 3: Cross multiply
    11,210.42x = 16,817.26 × 3,418.22
  4. Step 4: Simplify right side
    11,210.42x = 57,485,094.48
  5. Step 5: Solve for x
    x = 57,485,094.48/11,210.42
  6. Step 6: Final answer
    x = 5,127.83

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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.