Home / 13,767.30-20,650.68-4,408.29

Finding the Fourth Proportional to 13,767.30, 20,650.68 and 4,408.29

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Solution

The fourth proportional to 13,767.30, 20,650.68 and 4,408.29 is: 6,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.30 : 20,650.68 = 4,408.29 : x
  2. Step 2: Convert to fraction form
    13,767.30/20,650.68 = 4,408.29/x
  3. Step 3: Cross multiply
    13,767.30x = 20,650.68 × 4,408.29
  4. Step 4: Simplify right side
    13,767.30x = 91,034,186.14
  5. Step 5: Solve for x
    x = 91,034,186.14/13,767.30
  6. Step 6: Final answer
    x = 6,612.35

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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.