Home / 21,634.86-32,452.10-6,843.80

Finding the Fourth Proportional to 21,634.86, 32,452.10 and 6,843.80

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Solution

The fourth proportional to 21,634.86, 32,452.10 and 6,843.80 is: 10,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.86 : 32,452.10 = 6,843.80 : x
  2. Step 2: Convert to fraction form
    21,634.86/32,452.10 = 6,843.80/x
  3. Step 3: Cross multiply
    21,634.86x = 32,452.10 × 6,843.80
  4. Step 4: Simplify right side
    21,634.86x = 222,095,681.98
  5. Step 5: Solve for x
    x = 222,095,681.98/21,634.86
  6. Step 6: Final answer
    x = 10,265.64

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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.