Home / 15,919.62-21,997.26-11,458.14

Finding the Fourth Proportional to 15,919.62, 21,997.26 and 11,458.14

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Solution

The fourth proportional to 15,919.62, 21,997.26 and 11,458.14 is: 15,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.62 : 21,997.26 = 11,458.14 : x
  2. Step 2: Convert to fraction form
    15,919.62/21,997.26 = 11,458.14/x
  3. Step 3: Cross multiply
    15,919.62x = 21,997.26 × 11,458.14
  4. Step 4: Simplify right side
    15,919.62x = 252,047,684.70
  5. Step 5: Solve for x
    x = 252,047,684.70/15,919.62
  6. Step 6: Final answer
    x = 15,832.52

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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.