Home / 13,863.39-20,792.80-4,976.88

Finding the Fourth Proportional to 13,863.39, 20,792.80 and 4,976.88

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Solution

The fourth proportional to 13,863.39, 20,792.80 and 4,976.88 is: 7,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.39 : 20,792.80 = 4,976.88 : x
  2. Step 2: Convert to fraction form
    13,863.39/20,792.80 = 4,976.88/x
  3. Step 3: Cross multiply
    13,863.39x = 20,792.80 × 4,976.88
  4. Step 4: Simplify right side
    13,863.39x = 103,483,198.71
  5. Step 5: Solve for x
    x = 103,483,198.71/13,863.39
  6. Step 6: Final answer
    x = 7,464.50

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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.