Home / 13,676.74-20,500.46-9,769.30

Finding the Fourth Proportional to 13,676.74, 20,500.46 and 9,769.30

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Solution

The fourth proportional to 13,676.74, 20,500.46 and 9,769.30 is: 14,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.74 : 20,500.46 = 9,769.30 : x
  2. Step 2: Convert to fraction form
    13,676.74/20,500.46 = 9,769.30/x
  3. Step 3: Cross multiply
    13,676.74x = 20,500.46 × 9,769.30
  4. Step 4: Simplify right side
    13,676.74x = 200,275,143.88
  5. Step 5: Solve for x
    x = 200,275,143.88/13,676.74
  6. Step 6: Final answer
    x = 14,643.49

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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.