Home / 20,334.14-30,498.32-7,860.04

Finding the Fourth Proportional to 20,334.14, 30,498.32 and 7,860.04

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Solution

The fourth proportional to 20,334.14, 30,498.32 and 7,860.04 is: 11,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.14 : 30,498.32 = 7,860.04 : x
  2. Step 2: Convert to fraction form
    20,334.14/30,498.32 = 7,860.04/x
  3. Step 3: Cross multiply
    20,334.14x = 30,498.32 × 7,860.04
  4. Step 4: Simplify right side
    20,334.14x = 239,717,958.54
  5. Step 5: Solve for x
    x = 239,717,958.54/20,334.14
  6. Step 6: Final answer
    x = 11,788.94

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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.