Home / 14,170.62-21,246.31-7,934.92

Finding the Fourth Proportional to 14,170.62, 21,246.31 and 7,934.92

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Solution

The fourth proportional to 14,170.62, 21,246.31 and 7,934.92 is: 11,896.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.62 : 21,246.31 = 7,934.92 : x
  2. Step 2: Convert to fraction form
    14,170.62/21,246.31 = 7,934.92/x
  3. Step 3: Cross multiply
    14,170.62x = 21,246.31 × 7,934.92
  4. Step 4: Simplify right side
    14,170.62x = 168,587,770.15
  5. Step 5: Solve for x
    x = 168,587,770.15/14,170.62
  6. Step 6: Final answer
    x = 11,896.99

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Double scale
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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.