Home / 13,619.57-20,410.46-6,205.91

Finding the Fourth Proportional to 13,619.57, 20,410.46 and 6,205.91

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Solution

The fourth proportional to 13,619.57, 20,410.46 and 6,205.91 is: 9,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.57 : 20,410.46 = 6,205.91 : x
  2. Step 2: Convert to fraction form
    13,619.57/20,410.46 = 6,205.91/x
  3. Step 3: Cross multiply
    13,619.57x = 20,410.46 × 6,205.91
  4. Step 4: Simplify right side
    13,619.57x = 126,665,446.79
  5. Step 5: Solve for x
    x = 126,665,446.79/13,619.57
  6. Step 6: Final answer
    x = 9,300.25

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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.