Home / 18,124.73-25,001.07-11,992.42

Finding the Fourth Proportional to 18,124.73, 25,001.07 and 11,992.42

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Solution

The fourth proportional to 18,124.73, 25,001.07 and 11,992.42 is: 16,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.73 : 25,001.07 = 11,992.42 : x
  2. Step 2: Convert to fraction form
    18,124.73/25,001.07 = 11,992.42/x
  3. Step 3: Cross multiply
    18,124.73x = 25,001.07 × 11,992.42
  4. Step 4: Simplify right side
    18,124.73x = 299,823,318.17
  5. Step 5: Solve for x
    x = 299,823,318.17/18,124.73
  6. Step 6: Final answer
    x = 16,542.22

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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.