Home / 18,410.14-27,615.20-5,262.50

Finding the Fourth Proportional to 18,410.14, 27,615.20 and 5,262.50

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Solution

The fourth proportional to 18,410.14, 27,615.20 and 5,262.50 is: 7,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.14 : 27,615.20 = 5,262.50 : x
  2. Step 2: Convert to fraction form
    18,410.14/27,615.20 = 5,262.50/x
  3. Step 3: Cross multiply
    18,410.14x = 27,615.20 × 5,262.50
  4. Step 4: Simplify right side
    18,410.14x = 145,324,990
  5. Step 5: Solve for x
    x = 145,324,990/18,410.14
  6. Step 6: Final answer
    x = 7,893.75

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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.