Home / 13,877.33-20,825.22-12,954.69

Finding the Fourth Proportional to 13,877.33, 20,825.22 and 12,954.69

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Solution

The fourth proportional to 13,877.33, 20,825.22 and 12,954.69 is: 19,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.33 : 20,825.22 = 12,954.69 : x
  2. Step 2: Convert to fraction form
    13,877.33/20,825.22 = 12,954.69/x
  3. Step 3: Cross multiply
    13,877.33x = 20,825.22 × 12,954.69
  4. Step 4: Simplify right side
    13,877.33x = 269,784,269.28
  5. Step 5: Solve for x
    x = 269,784,269.28/13,877.33
  6. Step 6: Final answer
    x = 19,440.65

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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.