Home / 20,107.32-30,160.97-13,775.96

Finding the Fourth Proportional to 20,107.32, 30,160.97 and 13,775.96

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Solution

The fourth proportional to 20,107.32, 30,160.97 and 13,775.96 is: 20,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107.32 : 30,160.97 = 13,775.96 : x
  2. Step 2: Convert to fraction form
    20,107.32/30,160.97 = 13,775.96/x
  3. Step 3: Cross multiply
    20,107.32x = 30,160.97 × 13,775.96
  4. Step 4: Simplify right side
    20,107.32x = 415,496,096.60
  5. Step 5: Solve for x
    x = 415,496,096.60/20,107.32
  6. Step 6: Final answer
    x = 20,663.92

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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.