Home / 22,230.33-30,669.09-13,717.62

Finding the Fourth Proportional to 22,230.33, 30,669.09 and 13,717.62

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Solution

The fourth proportional to 22,230.33, 30,669.09 and 13,717.62 is: 18,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230.33 : 30,669.09 = 13,717.62 : x
  2. Step 2: Convert to fraction form
    22,230.33/30,669.09 = 13,717.62/x
  3. Step 3: Cross multiply
    22,230.33x = 30,669.09 × 13,717.62
  4. Step 4: Simplify right side
    22,230.33x = 420,706,922.37
  5. Step 5: Solve for x
    x = 420,706,922.37/22,230.33
  6. Step 6: Final answer
    x = 18,924.91

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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.