Home / 20,122.37-27,770.15-11,624.84

Finding the Fourth Proportional to 20,122.37, 27,770.15 and 11,624.84

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Solution

The fourth proportional to 20,122.37, 27,770.15 and 11,624.84 is: 16,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122.37 : 27,770.15 = 11,624.84 : x
  2. Step 2: Convert to fraction form
    20,122.37/27,770.15 = 11,624.84/x
  3. Step 3: Cross multiply
    20,122.37x = 27,770.15 × 11,624.84
  4. Step 4: Simplify right side
    20,122.37x = 322,823,649.01
  5. Step 5: Solve for x
    x = 322,823,649.01/20,122.37
  6. Step 6: Final answer
    x = 16,043.03

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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.