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Finding the Fourth Proportional to 16,201.41, 22,359.41 and 9,489.34

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Solution

The fourth proportional to 16,201.41, 22,359.41 and 9,489.34 is: 13,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,201.41 : 22,359.41 = 9,489.34 : x
  2. Step 2: Convert to fraction form
    16,201.41/22,359.41 = 9,489.34/x
  3. Step 3: Cross multiply
    16,201.41x = 22,359.41 × 9,489.34
  4. Step 4: Simplify right side
    16,201.41x = 212,176,043.69
  5. Step 5: Solve for x
    x = 212,176,043.69/16,201.41
  6. Step 6: Final answer
    x = 13,096.15

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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.