Home / 13,619.82-20,410.83-6,206.16

Finding the Fourth Proportional to 13,619.82, 20,410.83 and 6,206.16

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Solution

The fourth proportional to 13,619.82, 20,410.83 and 6,206.16 is: 9,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.82 : 20,410.83 = 6,206.16 : x
  2. Step 2: Convert to fraction form
    13,619.82/20,410.83 = 6,206.16/x
  3. Step 3: Cross multiply
    13,619.82x = 20,410.83 × 6,206.16
  4. Step 4: Simplify right side
    13,619.82x = 126,672,876.71
  5. Step 5: Solve for x
    x = 126,672,876.71/13,619.82
  6. Step 6: Final answer
    x = 9,300.63

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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.