Home / 13,758.46-20,623.68-5,427.04

Finding the Fourth Proportional to 13,758.46, 20,623.68 and 5,427.04

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Solution

The fourth proportional to 13,758.46, 20,623.68 and 5,427.04 is: 8,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758.46 : 20,623.68 = 5,427.04 : x
  2. Step 2: Convert to fraction form
    13,758.46/20,623.68 = 5,427.04/x
  3. Step 3: Cross multiply
    13,758.46x = 20,623.68 × 5,427.04
  4. Step 4: Simplify right side
    13,758.46x = 111,925,536.31
  5. Step 5: Solve for x
    x = 111,925,536.31/13,758.46
  6. Step 6: Final answer
    x = 8,135.03

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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.