Home / 12,792.97-17,654.23-7,127.37

Finding the Fourth Proportional to 12,792.97, 17,654.23 and 7,127.37

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Solution

The fourth proportional to 12,792.97, 17,654.23 and 7,127.37 is: 9,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.97 : 17,654.23 = 7,127.37 : x
  2. Step 2: Convert to fraction form
    12,792.97/17,654.23 = 7,127.37/x
  3. Step 3: Cross multiply
    12,792.97x = 17,654.23 × 7,127.37
  4. Step 4: Simplify right side
    12,792.97x = 125,828,218.45
  5. Step 5: Solve for x
    x = 125,828,218.45/12,792.97
  6. Step 6: Final answer
    x = 9,835.73

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1.5x scale

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.