Home / 10,371.21-15,556.82-2,580.03

Finding the Fourth Proportional to 10,371.21, 15,556.82 and 2,580.03

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Solution

The fourth proportional to 10,371.21, 15,556.82 and 2,580.03 is: 3,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.21 : 15,556.82 = 2,580.03 : x
  2. Step 2: Convert to fraction form
    10,371.21/15,556.82 = 2,580.03/x
  3. Step 3: Cross multiply
    10,371.21x = 15,556.82 × 2,580.03
  4. Step 4: Simplify right side
    10,371.21x = 40,137,049.40
  5. Step 5: Solve for x
    x = 40,137,049.40/10,371.21
  6. Step 6: Final answer
    x = 3,870.05

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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.