Home / 13,727.92-20,591.88-3,868.24

Finding the Fourth Proportional to 13,727.92, 20,591.88 and 3,868.24

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Solution

The fourth proportional to 13,727.92, 20,591.88 and 3,868.24 is: 5,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.92 : 20,591.88 = 3,868.24 : x
  2. Step 2: Convert to fraction form
    13,727.92/20,591.88 = 3,868.24/x
  3. Step 3: Cross multiply
    13,727.92x = 20,591.88 × 3,868.24
  4. Step 4: Simplify right side
    13,727.92x = 79,654,333.89
  5. Step 5: Solve for x
    x = 79,654,333.89/13,727.92
  6. Step 6: Final answer
    x = 5,802.36

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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.