Home / 13,676.30-20,502.11-4,909.16

Finding the Fourth Proportional to 13,676.30, 20,502.11 and 4,909.16

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Solution

The fourth proportional to 13,676.30, 20,502.11 and 4,909.16 is: 7,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.30 : 20,502.11 = 4,909.16 : x
  2. Step 2: Convert to fraction form
    13,676.30/20,502.11 = 4,909.16/x
  3. Step 3: Cross multiply
    13,676.30x = 20,502.11 × 4,909.16
  4. Step 4: Simplify right side
    13,676.30x = 100,648,011.27
  5. Step 5: Solve for x
    x = 100,648,011.27/13,676.30
  6. Step 6: Final answer
    x = 7,359.30

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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.