Home / 13,108.10-19,659.11-3,747.87

Finding the Fourth Proportional to 13,108.10, 19,659.11 and 3,747.87

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Solution

The fourth proportional to 13,108.10, 19,659.11 and 3,747.87 is: 5,620.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.10 : 19,659.11 = 3,747.87 : x
  2. Step 2: Convert to fraction form
    13,108.10/19,659.11 = 3,747.87/x
  3. Step 3: Cross multiply
    13,108.10x = 19,659.11 × 3,747.87
  4. Step 4: Simplify right side
    13,108.10x = 73,679,769.86
  5. Step 5: Solve for x
    x = 73,679,769.86/13,108.10
  6. Step 6: Final answer
    x = 5,620.94

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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.