Home / 14,230.44-19,635.62-7,942.84

Finding the Fourth Proportional to 14,230.44, 19,635.62 and 7,942.84

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Solution

The fourth proportional to 14,230.44, 19,635.62 and 7,942.84 is: 10,959.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.44 : 19,635.62 = 7,942.84 : x
  2. Step 2: Convert to fraction form
    14,230.44/19,635.62 = 7,942.84/x
  3. Step 3: Cross multiply
    14,230.44x = 19,635.62 × 7,942.84
  4. Step 4: Simplify right side
    14,230.44x = 155,962,587.96
  5. Step 5: Solve for x
    x = 155,962,587.96/14,230.44
  6. Step 6: Final answer
    x = 10,959.79

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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.