Home / 14,141.22-21,198.84-6,345.78

Finding the Fourth Proportional to 14,141.22, 21,198.84 and 6,345.78

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Solution

The fourth proportional to 14,141.22, 21,198.84 and 6,345.78 is: 9,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.22 : 21,198.84 = 6,345.78 : x
  2. Step 2: Convert to fraction form
    14,141.22/21,198.84 = 6,345.78/x
  3. Step 3: Cross multiply
    14,141.22x = 21,198.84 × 6,345.78
  4. Step 4: Simplify right side
    14,141.22x = 134,523,174.90
  5. Step 5: Solve for x
    x = 134,523,174.90/14,141.22
  6. Step 6: Final answer
    x = 9,512.84

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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.