Home / 13,571.54-20,316.89-12,146.06

Finding the Fourth Proportional to 13,571.54, 20,316.89 and 12,146.06

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Solution

The fourth proportional to 13,571.54, 20,316.89 and 12,146.06 is: 18,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.54 : 20,316.89 = 12,146.06 : x
  2. Step 2: Convert to fraction form
    13,571.54/20,316.89 = 12,146.06/x
  3. Step 3: Cross multiply
    13,571.54x = 20,316.89 × 12,146.06
  4. Step 4: Simplify right side
    13,571.54x = 246,770,171.73
  5. Step 5: Solve for x
    x = 246,770,171.73/13,571.54
  6. Step 6: Final answer
    x = 18,182.92

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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.