Home / 13,965.38-20,953.87-5,651.27

Finding the Fourth Proportional to 13,965.38, 20,953.87 and 5,651.27

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Solution

The fourth proportional to 13,965.38, 20,953.87 and 5,651.27 is: 8,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.38 : 20,953.87 = 5,651.27 : x
  2. Step 2: Convert to fraction form
    13,965.38/20,953.87 = 5,651.27/x
  3. Step 3: Cross multiply
    13,965.38x = 20,953.87 × 5,651.27
  4. Step 4: Simplify right side
    13,965.38x = 118,415,976.91
  5. Step 5: Solve for x
    x = 118,415,976.91/13,965.38
  6. Step 6: Final answer
    x = 8,479.25

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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.