Home / 13,619.45-20,410.27-6,205.79

Finding the Fourth Proportional to 13,619.45, 20,410.27 and 6,205.79

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Solution

The fourth proportional to 13,619.45, 20,410.27 and 6,205.79 is: 9,300.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.45 : 20,410.27 = 6,205.79 : x
  2. Step 2: Convert to fraction form
    13,619.45/20,410.27 = 6,205.79/x
  3. Step 3: Cross multiply
    13,619.45x = 20,410.27 × 6,205.79
  4. Step 4: Simplify right side
    13,619.45x = 126,661,731.90
  5. Step 5: Solve for x
    x = 126,661,731.90/13,619.45
  6. Step 6: Final answer
    x = 9,300.07

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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.