Home / 19,273.46-28,917.27-13,770.11

Finding the Fourth Proportional to 19,273.46, 28,917.27 and 13,770.11

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Solution

The fourth proportional to 19,273.46, 28,917.27 and 13,770.11 is: 20,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.46 : 28,917.27 = 13,770.11 : x
  2. Step 2: Convert to fraction form
    19,273.46/28,917.27 = 13,770.11/x
  3. Step 3: Cross multiply
    19,273.46x = 28,917.27 × 13,770.11
  4. Step 4: Simplify right side
    19,273.46x = 398,193,844.21
  5. Step 5: Solve for x
    x = 398,193,844.21/19,273.46
  6. Step 6: Final answer
    x = 20,660.22

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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.