Home / 10,564.97-15,847.91-3,991.67

Finding the Fourth Proportional to 10,564.97, 15,847.91 and 3,991.67

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Solution

The fourth proportional to 10,564.97, 15,847.91 and 3,991.67 is: 5,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,564.97 : 15,847.91 = 3,991.67 : x
  2. Step 2: Convert to fraction form
    10,564.97/15,847.91 = 3,991.67/x
  3. Step 3: Cross multiply
    10,564.97x = 15,847.91 × 3,991.67
  4. Step 4: Simplify right side
    10,564.97x = 63,259,626.91
  5. Step 5: Solve for x
    x = 63,259,626.91/10,564.97
  6. Step 6: Final answer
    x = 5,987.68

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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.