Home / 13,819.23-20,732.10-5,499.72

Finding the Fourth Proportional to 13,819.23, 20,732.10 and 5,499.72

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Solution

The fourth proportional to 13,819.23, 20,732.10 and 5,499.72 is: 8,250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.23 : 20,732.10 = 5,499.72 : x
  2. Step 2: Convert to fraction form
    13,819.23/20,732.10 = 5,499.72/x
  3. Step 3: Cross multiply
    13,819.23x = 20,732.10 × 5,499.72
  4. Step 4: Simplify right side
    13,819.23x = 114,020,745.01
  5. Step 5: Solve for x
    x = 114,020,745.01/13,819.23
  6. Step 6: Final answer
    x = 8,250.88

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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.