Home / 20,179.34-27,836.10-12,110.93

Finding the Fourth Proportional to 20,179.34, 27,836.10 and 12,110.93

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Solution

The fourth proportional to 20,179.34, 27,836.10 and 12,110.93 is: 16,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.34 : 27,836.10 = 12,110.93 : x
  2. Step 2: Convert to fraction form
    20,179.34/27,836.10 = 12,110.93/x
  3. Step 3: Cross multiply
    20,179.34x = 27,836.10 × 12,110.93
  4. Step 4: Simplify right side
    20,179.34x = 337,120,919.39
  5. Step 5: Solve for x
    x = 337,120,919.39/20,179.34
  6. Step 6: Final answer
    x = 16,706.25

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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.