Home / 18,414.12-27,605.70-6,720.60

Finding the Fourth Proportional to 18,414.12, 27,605.70 and 6,720.60

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Solution

The fourth proportional to 18,414.12, 27,605.70 and 6,720.60 is: 10,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.12 : 27,605.70 = 6,720.60 : x
  2. Step 2: Convert to fraction form
    18,414.12/27,605.70 = 6,720.60/x
  3. Step 3: Cross multiply
    18,414.12x = 27,605.70 × 6,720.60
  4. Step 4: Simplify right side
    18,414.12x = 185,526,867.42
  5. Step 5: Solve for x
    x = 185,526,867.42/18,414.12
  6. Step 6: Final answer
    x = 10,075.25

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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.