Home / 14,408.08-19,884.36-8,121.04

Finding the Fourth Proportional to 14,408.08, 19,884.36 and 8,121.04

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Solution

The fourth proportional to 14,408.08, 19,884.36 and 8,121.04 is: 11,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.08 : 19,884.36 = 8,121.04 : x
  2. Step 2: Convert to fraction form
    14,408.08/19,884.36 = 8,121.04/x
  3. Step 3: Cross multiply
    14,408.08x = 19,884.36 × 8,121.04
  4. Step 4: Simplify right side
    14,408.08x = 161,481,682.93
  5. Step 5: Solve for x
    x = 161,481,682.93/14,408.08
  6. Step 6: Final answer
    x = 11,207.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.