Home / 12,182.55-18,273.87-4,391.97

Finding the Fourth Proportional to 12,182.55, 18,273.87 and 4,391.97

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Solution

The fourth proportional to 12,182.55, 18,273.87 and 4,391.97 is: 6,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182.55 : 18,273.87 = 4,391.97 : x
  2. Step 2: Convert to fraction form
    12,182.55/18,273.87 = 4,391.97/x
  3. Step 3: Cross multiply
    12,182.55x = 18,273.87 × 4,391.97
  4. Step 4: Simplify right side
    12,182.55x = 80,258,288.82
  5. Step 5: Solve for x
    x = 80,258,288.82/12,182.55
  6. Step 6: Final answer
    x = 6,587.97

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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.