Home / 20,122.49-27,770.33-11,624.97

Finding the Fourth Proportional to 20,122.49, 27,770.33 and 11,624.97

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Solution

The fourth proportional to 20,122.49, 27,770.33 and 11,624.97 is: 16,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122.49 : 27,770.33 = 11,624.97 : x
  2. Step 2: Convert to fraction form
    20,122.49/27,770.33 = 11,624.97/x
  3. Step 3: Cross multiply
    20,122.49x = 27,770.33 × 11,624.97
  4. Step 4: Simplify right side
    20,122.49x = 322,829,056.16
  5. Step 5: Solve for x
    x = 322,829,056.16/20,122.49
  6. Step 6: Final answer
    x = 16,043.20

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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.