Home / 18,210.72-27,318.96-6,523.68

Finding the Fourth Proportional to 18,210.72, 27,318.96 and 6,523.68

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Solution

The fourth proportional to 18,210.72, 27,318.96 and 6,523.68 is: 9,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.72 : 27,318.96 = 6,523.68 : x
  2. Step 2: Convert to fraction form
    18,210.72/27,318.96 = 6,523.68/x
  3. Step 3: Cross multiply
    18,210.72x = 27,318.96 × 6,523.68
  4. Step 4: Simplify right side
    18,210.72x = 178,220,152.97
  5. Step 5: Solve for x
    x = 178,220,152.97/18,210.72
  6. Step 6: Final answer
    x = 9,786.55

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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.