Home / 12,092.73-18,159.54-7,422.09

Finding the Fourth Proportional to 12,092.73, 18,159.54 and 7,422.09

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Solution

The fourth proportional to 12,092.73, 18,159.54 and 7,422.09 is: 11,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.73 : 18,159.54 = 7,422.09 : x
  2. Step 2: Convert to fraction form
    12,092.73/18,159.54 = 7,422.09/x
  3. Step 3: Cross multiply
    12,092.73x = 18,159.54 × 7,422.09
  4. Step 4: Simplify right side
    12,092.73x = 134,781,740.24
  5. Step 5: Solve for x
    x = 134,781,740.24/12,092.73
  6. Step 6: Final answer
    x = 11,145.68

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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.