Home / 12,085.76-18,133.25-6,826.70

Finding the Fourth Proportional to 12,085.76, 18,133.25 and 6,826.70

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Solution

The fourth proportional to 12,085.76, 18,133.25 and 6,826.70 is: 10,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085.76 : 18,133.25 = 6,826.70 : x
  2. Step 2: Convert to fraction form
    12,085.76/18,133.25 = 6,826.70/x
  3. Step 3: Cross multiply
    12,085.76x = 18,133.25 × 6,826.70
  4. Step 4: Simplify right side
    12,085.76x = 123,790,268.97
  5. Step 5: Solve for x
    x = 123,790,268.97/12,085.76
  6. Step 6: Final answer
    x = 10,242.65

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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.