Home / 10,559.43-15,828.21-3,982.77

Finding the Fourth Proportional to 10,559.43, 15,828.21 and 3,982.77

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Solution

The fourth proportional to 10,559.43, 15,828.21 and 3,982.77 is: 5,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,559.43 : 15,828.21 = 3,982.77 : x
  2. Step 2: Convert to fraction form
    10,559.43/15,828.21 = 3,982.77/x
  3. Step 3: Cross multiply
    10,559.43x = 15,828.21 × 3,982.77
  4. Step 4: Simplify right side
    10,559.43x = 63,040,119.94
  5. Step 5: Solve for x
    x = 63,040,119.94/10,559.43
  6. Step 6: Final answer
    x = 5,970.03

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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.