Home / 22,022.20-33,021.15-8,859.70

Finding the Fourth Proportional to 22,022.20, 33,021.15 and 8,859.70

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Solution

The fourth proportional to 22,022.20, 33,021.15 and 8,859.70 is: 13,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.20 : 33,021.15 = 8,859.70 : x
  2. Step 2: Convert to fraction form
    22,022.20/33,021.15 = 8,859.70/x
  3. Step 3: Cross multiply
    22,022.20x = 33,021.15 × 8,859.70
  4. Step 4: Simplify right side
    22,022.20x = 292,557,482.66
  5. Step 5: Solve for x
    x = 292,557,482.66/22,022.20
  6. Step 6: Final answer
    x = 13,284.66

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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.