Home / 18,180.58-27,242.93-10,770.30

Finding the Fourth Proportional to 18,180.58, 27,242.93 and 10,770.30

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Solution

The fourth proportional to 18,180.58, 27,242.93 and 10,770.30 is: 16,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.58 : 27,242.93 = 10,770.30 : x
  2. Step 2: Convert to fraction form
    18,180.58/27,242.93 = 10,770.30/x
  3. Step 3: Cross multiply
    18,180.58x = 27,242.93 × 10,770.30
  4. Step 4: Simplify right side
    18,180.58x = 293,414,338.91
  5. Step 5: Solve for x
    x = 293,414,338.91/18,180.58
  6. Step 6: Final answer
    x = 16,138.89

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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.