Home / 22,005.40-33,008.10-13,694.80

Finding the Fourth Proportional to 22,005.40, 33,008.10 and 13,694.80

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Solution

The fourth proportional to 22,005.40, 33,008.10 and 13,694.80 is: 20,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.40 : 33,008.10 = 13,694.80 : x
  2. Step 2: Convert to fraction form
    22,005.40/33,008.10 = 13,694.80/x
  3. Step 3: Cross multiply
    22,005.40x = 33,008.10 × 13,694.80
  4. Step 4: Simplify right side
    22,005.40x = 452,039,327.88
  5. Step 5: Solve for x
    x = 452,039,327.88/22,005.40
  6. Step 6: Final answer
    x = 20,542.20

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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.