Home / 22,129.94-33,182.67-8,789.42

Finding the Fourth Proportional to 22,129.94, 33,182.67 and 8,789.42

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Solution

The fourth proportional to 22,129.94, 33,182.67 and 8,789.42 is: 13,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.94 : 33,182.67 = 8,789.42 : x
  2. Step 2: Convert to fraction form
    22,129.94/33,182.67 = 8,789.42/x
  3. Step 3: Cross multiply
    22,129.94x = 33,182.67 × 8,789.42
  4. Step 4: Simplify right side
    22,129.94x = 291,656,423.35
  5. Step 5: Solve for x
    x = 291,656,423.35/22,129.94
  6. Step 6: Final answer
    x = 13,179.27

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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.