Home / 13,676.45-20,516.29-4,789.06

Finding the Fourth Proportional to 13,676.45, 20,516.29 and 4,789.06

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Solution

The fourth proportional to 13,676.45, 20,516.29 and 4,789.06 is: 7,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.45 : 20,516.29 = 4,789.06 : x
  2. Step 2: Convert to fraction form
    13,676.45/20,516.29 = 4,789.06/x
  3. Step 3: Cross multiply
    13,676.45x = 20,516.29 × 4,789.06
  4. Step 4: Simplify right side
    13,676.45x = 98,253,680.52
  5. Step 5: Solve for x
    x = 98,253,680.52/13,676.45
  6. Step 6: Final answer
    x = 7,184.15

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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.