Home / 13,921.49-20,889.41-9,244.73

Finding the Fourth Proportional to 13,921.49, 20,889.41 and 9,244.73

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Solution

The fourth proportional to 13,921.49, 20,889.41 and 9,244.73 is: 13,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.49 : 20,889.41 = 9,244.73 : x
  2. Step 2: Convert to fraction form
    13,921.49/20,889.41 = 9,244.73/x
  3. Step 3: Cross multiply
    13,921.49x = 20,889.41 × 9,244.73
  4. Step 4: Simplify right side
    13,921.49x = 193,117,013.31
  5. Step 5: Solve for x
    x = 193,117,013.31/13,921.49
  6. Step 6: Final answer
    x = 13,871.87

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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.