Home / 11,218.18-16,829.32-4,644.87

Finding the Fourth Proportional to 11,218.18, 16,829.32 and 4,644.87

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Solution

The fourth proportional to 11,218.18, 16,829.32 and 4,644.87 is: 6,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.18 : 16,829.32 = 4,644.87 : x
  2. Step 2: Convert to fraction form
    11,218.18/16,829.32 = 4,644.87/x
  3. Step 3: Cross multiply
    11,218.18x = 16,829.32 × 4,644.87
  4. Step 4: Simplify right side
    11,218.18x = 78,170,003.59
  5. Step 5: Solve for x
    x = 78,170,003.59/11,218.18
  6. Step 6: Final answer
    x = 6,968.15

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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.