Home / 22,406.62-30,920.01-12,334.80

Finding the Fourth Proportional to 22,406.62, 30,920.01 and 12,334.80

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Solution

The fourth proportional to 22,406.62, 30,920.01 and 12,334.80 is: 17,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,406.62 : 30,920.01 = 12,334.80 : x
  2. Step 2: Convert to fraction form
    22,406.62/30,920.01 = 12,334.80/x
  3. Step 3: Cross multiply
    22,406.62x = 30,920.01 × 12,334.80
  4. Step 4: Simplify right side
    22,406.62x = 381,392,139.35
  5. Step 5: Solve for x
    x = 381,392,139.35/22,406.62
  6. Step 6: Final answer
    x = 17,021.41

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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.