Home / 19,966.66-27,553.73-10,891.98

Finding the Fourth Proportional to 19,966.66, 27,553.73 and 10,891.98

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Solution

The fourth proportional to 19,966.66, 27,553.73 and 10,891.98 is: 15,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.66 : 27,553.73 = 10,891.98 : x
  2. Step 2: Convert to fraction form
    19,966.66/27,553.73 = 10,891.98/x
  3. Step 3: Cross multiply
    19,966.66x = 27,553.73 × 10,891.98
  4. Step 4: Simplify right side
    19,966.66x = 300,114,736.96
  5. Step 5: Solve for x
    x = 300,114,736.96/19,966.66
  6. Step 6: Final answer
    x = 15,030.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.