Home / 21,198.97-31,798.59-7,344.73

Finding the Fourth Proportional to 21,198.97, 31,798.59 and 7,344.73

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Solution

The fourth proportional to 21,198.97, 31,798.59 and 7,344.73 is: 11,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,198.97 : 31,798.59 = 7,344.73 : x
  2. Step 2: Convert to fraction form
    21,198.97/31,798.59 = 7,344.73/x
  3. Step 3: Cross multiply
    21,198.97x = 31,798.59 × 7,344.73
  4. Step 4: Simplify right side
    21,198.97x = 233,552,057.93
  5. Step 5: Solve for x
    x = 233,552,057.93/21,198.97
  6. Step 6: Final answer
    x = 11,017.14

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1.5x scale

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.