Home / 12,972.73-17,903.03-7,935.37

Finding the Fourth Proportional to 12,972.73, 17,903.03 and 7,935.37

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Solution

The fourth proportional to 12,972.73, 17,903.03 and 7,935.37 is: 10,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,972.73 : 17,903.03 = 7,935.37 : x
  2. Step 2: Convert to fraction form
    12,972.73/17,903.03 = 7,935.37/x
  3. Step 3: Cross multiply
    12,972.73x = 17,903.03 × 7,935.37
  4. Step 4: Simplify right side
    12,972.73x = 142,067,167.17
  5. Step 5: Solve for x
    x = 142,067,167.17/12,972.73
  6. Step 6: Final answer
    x = 10,951.22

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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.