Home / 14,449.05-21,679.83-5,095.75

Finding the Fourth Proportional to 14,449.05, 21,679.83 and 5,095.75

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Solution

The fourth proportional to 14,449.05, 21,679.83 and 5,095.75 is: 7,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.05 : 21,679.83 = 5,095.75 : x
  2. Step 2: Convert to fraction form
    14,449.05/21,679.83 = 5,095.75/x
  3. Step 3: Cross multiply
    14,449.05x = 21,679.83 × 5,095.75
  4. Step 4: Simplify right side
    14,449.05x = 110,474,993.72
  5. Step 5: Solve for x
    x = 110,474,993.72/14,449.05
  6. Step 6: Final answer
    x = 7,645.83

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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.