Home / 18,578.70-27,867.96-4,538.81

Finding the Fourth Proportional to 18,578.70, 27,867.96 and 4,538.81

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Solution

The fourth proportional to 18,578.70, 27,867.96 and 4,538.81 is: 6,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578.70 : 27,867.96 = 4,538.81 : x
  2. Step 2: Convert to fraction form
    18,578.70/27,867.96 = 4,538.81/x
  3. Step 3: Cross multiply
    18,578.70x = 27,867.96 × 4,538.81
  4. Step 4: Simplify right side
    18,578.70x = 126,487,236.19
  5. Step 5: Solve for x
    x = 126,487,236.19/18,578.70
  6. Step 6: Final answer
    x = 6,808.19

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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.