Home / 13,727.28-20,590.92-3,866.56

Finding the Fourth Proportional to 13,727.28, 20,590.92 and 3,866.56

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Solution

The fourth proportional to 13,727.28, 20,590.92 and 3,866.56 is: 5,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.28 : 20,590.92 = 3,866.56 : x
  2. Step 2: Convert to fraction form
    13,727.28/20,590.92 = 3,866.56/x
  3. Step 3: Cross multiply
    13,727.28x = 20,590.92 × 3,866.56
  4. Step 4: Simplify right side
    13,727.28x = 79,616,027.64
  5. Step 5: Solve for x
    x = 79,616,027.64/13,727.28
  6. Step 6: Final answer
    x = 5,799.84

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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.