Home / 13,556.96-20,305.82-5,635.46

Finding the Fourth Proportional to 13,556.96, 20,305.82 and 5,635.46

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Solution

The fourth proportional to 13,556.96, 20,305.82 and 5,635.46 is: 8,440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.96 : 20,305.82 = 5,635.46 : x
  2. Step 2: Convert to fraction form
    13,556.96/20,305.82 = 5,635.46/x
  3. Step 3: Cross multiply
    13,556.96x = 20,305.82 × 5,635.46
  4. Step 4: Simplify right side
    13,556.96x = 114,432,636.38
  5. Step 5: Solve for x
    x = 114,432,636.38/13,556.96
  6. Step 6: Final answer
    x = 8,440.88

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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.