Home / 18,500.81-27,778.88-14,792.09

Finding the Fourth Proportional to 18,500.81, 27,778.88 and 14,792.09

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Solution

The fourth proportional to 18,500.81, 27,778.88 and 14,792.09 is: 22,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.81 : 27,778.88 = 14,792.09 : x
  2. Step 2: Convert to fraction form
    18,500.81/27,778.88 = 14,792.09/x
  3. Step 3: Cross multiply
    18,500.81x = 27,778.88 × 14,792.09
  4. Step 4: Simplify right side
    18,500.81x = 410,907,591.15
  5. Step 5: Solve for x
    x = 410,907,591.15/18,500.81
  6. Step 6: Final answer
    x = 22,210.25

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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.