Home / 13,763.32-20,645.04-3,375.08

Finding the Fourth Proportional to 13,763.32, 20,645.04 and 3,375.08

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Solution

The fourth proportional to 13,763.32, 20,645.04 and 3,375.08 is: 5,062.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.32 : 20,645.04 = 3,375.08 : x
  2. Step 2: Convert to fraction form
    13,763.32/20,645.04 = 3,375.08/x
  3. Step 3: Cross multiply
    13,763.32x = 20,645.04 × 3,375.08
  4. Step 4: Simplify right side
    13,763.32x = 69,678,661.60
  5. Step 5: Solve for x
    x = 69,678,661.60/13,763.32
  6. Step 6: Final answer
    x = 5,062.63

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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.