Home / 12,195.46-18,285.30-8,022.85

Finding the Fourth Proportional to 12,195.46, 18,285.30 and 8,022.85

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Solution

The fourth proportional to 12,195.46, 18,285.30 and 8,022.85 is: 12,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.46 : 18,285.30 = 8,022.85 : x
  2. Step 2: Convert to fraction form
    12,195.46/18,285.30 = 8,022.85/x
  3. Step 3: Cross multiply
    12,195.46x = 18,285.30 × 8,022.85
  4. Step 4: Simplify right side
    12,195.46x = 146,700,219.11
  5. Step 5: Solve for x
    x = 146,700,219.11/12,195.46
  6. Step 6: Final answer
    x = 12,029.08

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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.