Home / 19,418.12-29,121-6,267.43

Finding the Fourth Proportional to 19,418.12, 29,121 and 6,267.43

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Solution

The fourth proportional to 19,418.12, 29,121 and 6,267.43 is: 9,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.12 : 29,121 = 6,267.43 : x
  2. Step 2: Convert to fraction form
    19,418.12/29,121 = 6,267.43/x
  3. Step 3: Cross multiply
    19,418.12x = 29,121 × 6,267.43
  4. Step 4: Simplify right side
    19,418.12x = 182,513,829.03
  5. Step 5: Solve for x
    x = 182,513,829.03/19,418.12
  6. Step 6: Final answer
    x = 9,399.15

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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.