Home / 18,546.18-27,819.51-5,219.31

Finding the Fourth Proportional to 18,546.18, 27,819.51 and 5,219.31

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Solution

The fourth proportional to 18,546.18, 27,819.51 and 5,219.31 is: 7,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.18 : 27,819.51 = 5,219.31 : x
  2. Step 2: Convert to fraction form
    18,546.18/27,819.51 = 5,219.31/x
  3. Step 3: Cross multiply
    18,546.18x = 27,819.51 × 5,219.31
  4. Step 4: Simplify right side
    18,546.18x = 145,198,646.74
  5. Step 5: Solve for x
    x = 145,198,646.74/18,546.18
  6. Step 6: Final answer
    x = 7,829.03

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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.