Home / 19,794.12-29,691.12-8,107.34

Finding the Fourth Proportional to 19,794.12, 29,691.12 and 8,107.34

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Solution

The fourth proportional to 19,794.12, 29,691.12 and 8,107.34 is: 12,160.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,794.12 : 29,691.12 = 8,107.34 : x
  2. Step 2: Convert to fraction form
    19,794.12/29,691.12 = 8,107.34/x
  3. Step 3: Cross multiply
    19,794.12x = 29,691.12 × 8,107.34
  4. Step 4: Simplify right side
    19,794.12x = 240,716,004.82
  5. Step 5: Solve for x
    x = 240,716,004.82/19,794.12
  6. Step 6: Final answer
    x = 12,160.99

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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.