Home / 19,418.64-29,121.84-6,267.84

Finding the Fourth Proportional to 19,418.64, 29,121.84 and 6,267.84

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Solution

The fourth proportional to 19,418.64, 29,121.84 and 6,267.84 is: 9,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.64 : 29,121.84 = 6,267.84 : x
  2. Step 2: Convert to fraction form
    19,418.64/29,121.84 = 6,267.84/x
  3. Step 3: Cross multiply
    19,418.64x = 29,121.84 × 6,267.84
  4. Step 4: Simplify right side
    19,418.64x = 182,531,033.63
  5. Step 5: Solve for x
    x = 182,531,033.63/19,418.64
  6. Step 6: Final answer
    x = 9,399.78

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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.