Home / 13,966.76-20,936.94-5,195.72

Finding the Fourth Proportional to 13,966.76, 20,936.94 and 5,195.72

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Solution

The fourth proportional to 13,966.76, 20,936.94 and 5,195.72 is: 7,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.76 : 20,936.94 = 5,195.72 : x
  2. Step 2: Convert to fraction form
    13,966.76/20,936.94 = 5,195.72/x
  3. Step 3: Cross multiply
    13,966.76x = 20,936.94 × 5,195.72
  4. Step 4: Simplify right side
    13,966.76x = 108,782,477.90
  5. Step 5: Solve for x
    x = 108,782,477.90/13,966.76
  6. Step 6: Final answer
    x = 7,788.67

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1.5x scale

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.