Home / 12,965.97-19,452.02-4,200.86

Finding the Fourth Proportional to 12,965.97, 19,452.02 and 4,200.86

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Solution

The fourth proportional to 12,965.97, 19,452.02 and 4,200.86 is: 6,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.97 : 19,452.02 = 4,200.86 : x
  2. Step 2: Convert to fraction form
    12,965.97/19,452.02 = 4,200.86/x
  3. Step 3: Cross multiply
    12,965.97x = 19,452.02 × 4,200.86
  4. Step 4: Simplify right side
    12,965.97x = 81,715,240.36
  5. Step 5: Solve for x
    x = 81,715,240.36/12,965.97
  6. Step 6: Final answer
    x = 6,302.28

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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.