Home / 13,767.58-20,652.15-3,906.08

Finding the Fourth Proportional to 13,767.58, 20,652.15 and 3,906.08

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Solution

The fourth proportional to 13,767.58, 20,652.15 and 3,906.08 is: 5,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.58 : 20,652.15 = 3,906.08 : x
  2. Step 2: Convert to fraction form
    13,767.58/20,652.15 = 3,906.08/x
  3. Step 3: Cross multiply
    13,767.58x = 20,652.15 × 3,906.08
  4. Step 4: Simplify right side
    13,767.58x = 80,668,950.07
  5. Step 5: Solve for x
    x = 80,668,950.07/13,767.58
  6. Step 6: Final answer
    x = 5,859.34

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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.