Home / 22,021.27-33,009.73-12,658.48

Finding the Fourth Proportional to 22,021.27, 33,009.73 and 12,658.48

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Solution

The fourth proportional to 22,021.27, 33,009.73 and 12,658.48 is: 18,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.27 : 33,009.73 = 12,658.48 : x
  2. Step 2: Convert to fraction form
    22,021.27/33,009.73 = 12,658.48/x
  3. Step 3: Cross multiply
    22,021.27x = 33,009.73 × 12,658.48
  4. Step 4: Simplify right side
    22,021.27x = 417,852,892.84
  5. Step 5: Solve for x
    x = 417,852,892.84/22,021.27
  6. Step 6: Final answer
    x = 18,974.97

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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.