Home / 13,479.12-20,202.12-6,081.48

Finding the Fourth Proportional to 13,479.12, 20,202.12 and 6,081.48

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Solution

The fourth proportional to 13,479.12, 20,202.12 and 6,081.48 is: 9,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479.12 : 20,202.12 = 6,081.48 : x
  2. Step 2: Convert to fraction form
    13,479.12/20,202.12 = 6,081.48/x
  3. Step 3: Cross multiply
    13,479.12x = 20,202.12 × 6,081.48
  4. Step 4: Simplify right side
    13,479.12x = 122,858,788.74
  5. Step 5: Solve for x
    x = 122,858,788.74/13,479.12
  6. Step 6: Final answer
    x = 9,114.75

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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.