Home / 14,191.08-21,286.62-7,948.14

Finding the Fourth Proportional to 14,191.08, 21,286.62 and 7,948.14

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Solution

The fourth proportional to 14,191.08, 21,286.62 and 7,948.14 is: 11,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.08 : 21,286.62 = 7,948.14 : x
  2. Step 2: Convert to fraction form
    14,191.08/21,286.62 = 7,948.14/x
  3. Step 3: Cross multiply
    14,191.08x = 21,286.62 × 7,948.14
  4. Step 4: Simplify right side
    14,191.08x = 169,189,035.89
  5. Step 5: Solve for x
    x = 169,189,035.89/14,191.08
  6. Step 6: Final answer
    x = 11,922.21

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Similar ratio
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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.