Home / 13,832.08-20,748.12-3,443.83

Finding the Fourth Proportional to 13,832.08, 20,748.12 and 3,443.83

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Solution

The fourth proportional to 13,832.08, 20,748.12 and 3,443.83 is: 5,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832.08 : 20,748.12 = 3,443.83 : x
  2. Step 2: Convert to fraction form
    13,832.08/20,748.12 = 3,443.83/x
  3. Step 3: Cross multiply
    13,832.08x = 20,748.12 × 3,443.83
  4. Step 4: Simplify right side
    13,832.08x = 71,452,998.10
  5. Step 5: Solve for x
    x = 71,452,998.10/13,832.08
  6. Step 6: Final answer
    x = 5,165.75

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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.