Home / 12,040.70-18,043.38-6,785.94

Finding the Fourth Proportional to 12,040.70, 18,043.38 and 6,785.94

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Solution

The fourth proportional to 12,040.70, 18,043.38 and 6,785.94 is: 10,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.70 : 18,043.38 = 6,785.94 : x
  2. Step 2: Convert to fraction form
    12,040.70/18,043.38 = 6,785.94/x
  3. Step 3: Cross multiply
    12,040.70x = 18,043.38 × 6,785.94
  4. Step 4: Simplify right side
    12,040.70x = 122,441,294.08
  5. Step 5: Solve for x
    x = 122,441,294.08/12,040.70
  6. Step 6: Final answer
    x = 10,168.95

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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.