Home / 18,273.67-27,412.86-6,426.61

Finding the Fourth Proportional to 18,273.67, 27,412.86 and 6,426.61

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Solution

The fourth proportional to 18,273.67, 27,412.86 and 6,426.61 is: 9,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.67 : 27,412.86 = 6,426.61 : x
  2. Step 2: Convert to fraction form
    18,273.67/27,412.86 = 6,426.61/x
  3. Step 3: Cross multiply
    18,273.67x = 27,412.86 × 6,426.61
  4. Step 4: Simplify right side
    18,273.67x = 176,171,760.20
  5. Step 5: Solve for x
    x = 176,171,760.20/18,273.67
  6. Step 6: Final answer
    x = 9,640.74

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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.