Home / 11,227.40-16,816.80-9,996.20

Finding the Fourth Proportional to 11,227.40, 16,816.80 and 9,996.20

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Solution

The fourth proportional to 11,227.40, 16,816.80 and 9,996.20 is: 14,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.40 : 16,816.80 = 9,996.20 : x
  2. Step 2: Convert to fraction form
    11,227.40/16,816.80 = 9,996.20/x
  3. Step 3: Cross multiply
    11,227.40x = 16,816.80 × 9,996.20
  4. Step 4: Simplify right side
    11,227.40x = 168,104,096.16
  5. Step 5: Solve for x
    x = 168,104,096.16/11,227.40
  6. Step 6: Final answer
    x = 14,972.66

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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.