Home / 20,199.90-27,877.41-11,704.35

Finding the Fourth Proportional to 20,199.90, 27,877.41 and 11,704.35

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Solution

The fourth proportional to 20,199.90, 27,877.41 and 11,704.35 is: 16,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.90 : 27,877.41 = 11,704.35 : x
  2. Step 2: Convert to fraction form
    20,199.90/27,877.41 = 11,704.35/x
  3. Step 3: Cross multiply
    20,199.90x = 27,877.41 × 11,704.35
  4. Step 4: Simplify right side
    20,199.90x = 326,286,963.73
  5. Step 5: Solve for x
    x = 326,286,963.73/20,199.90
  6. Step 6: Final answer
    x = 16,152.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.