Home / 13,448.92-20,192.10-6,879.64

Finding the Fourth Proportional to 13,448.92, 20,192.10 and 6,879.64

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Solution

The fourth proportional to 13,448.92, 20,192.10 and 6,879.64 is: 10,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.92 : 20,192.10 = 6,879.64 : x
  2. Step 2: Convert to fraction form
    13,448.92/20,192.10 = 6,879.64/x
  3. Step 3: Cross multiply
    13,448.92x = 20,192.10 × 6,879.64
  4. Step 4: Simplify right side
    13,448.92x = 138,914,378.84
  5. Step 5: Solve for x
    x = 138,914,378.84/13,448.92
  6. Step 6: Final answer
    x = 10,329.04

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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.