Home / 22,195.05-30,628.99-12,123.50

Finding the Fourth Proportional to 22,195.05, 30,628.99 and 12,123.50

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Solution

The fourth proportional to 22,195.05, 30,628.99 and 12,123.50 is: 16,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.05 : 30,628.99 = 12,123.50 : x
  2. Step 2: Convert to fraction form
    22,195.05/30,628.99 = 12,123.50/x
  3. Step 3: Cross multiply
    22,195.05x = 30,628.99 × 12,123.50
  4. Step 4: Simplify right side
    22,195.05x = 371,330,542.52
  5. Step 5: Solve for x
    x = 371,330,542.52/22,195.05
  6. Step 6: Final answer
    x = 16,730.33

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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.