Home / 13,863.82-20,800.32-4,504.13

Finding the Fourth Proportional to 13,863.82, 20,800.32 and 4,504.13

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Solution

The fourth proportional to 13,863.82, 20,800.32 and 4,504.13 is: 6,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.82 : 20,800.32 = 4,504.13 : x
  2. Step 2: Convert to fraction form
    13,863.82/20,800.32 = 4,504.13/x
  3. Step 3: Cross multiply
    13,863.82x = 20,800.32 × 4,504.13
  4. Step 4: Simplify right side
    13,863.82x = 93,687,345.32
  5. Step 5: Solve for x
    x = 93,687,345.32/13,863.82
  6. Step 6: Final answer
    x = 6,757.69

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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.