Home / 12,182.92-18,283.02-4,391.80

Finding the Fourth Proportional to 12,182.92, 18,283.02 and 4,391.80

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Solution

The fourth proportional to 12,182.92, 18,283.02 and 4,391.80 is: 6,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.92 : 18,283.02 = 4,391.80 : x
  2. Step 2: Convert to fraction form
    12,182.92/18,283.02 = 4,391.80/x
  3. Step 3: Cross multiply
    12,182.92x = 18,283.02 × 4,391.80
  4. Step 4: Simplify right side
    12,182.92x = 80,295,367.24
  5. Step 5: Solve for x
    x = 80,295,367.24/12,182.92
  6. Step 6: Final answer
    x = 6,590.81

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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.