Home / 18,240.20-27,369.66-9,482.12

Finding the Fourth Proportional to 18,240.20, 27,369.66 and 9,482.12

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Solution

The fourth proportional to 18,240.20, 27,369.66 and 9,482.12 is: 14,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.20 : 27,369.66 = 9,482.12 : x
  2. Step 2: Convert to fraction form
    18,240.20/27,369.66 = 9,482.12/x
  3. Step 3: Cross multiply
    18,240.20x = 27,369.66 × 9,482.12
  4. Step 4: Simplify right side
    18,240.20x = 259,522,400.48
  5. Step 5: Solve for x
    x = 259,522,400.48/18,240.20
  6. Step 6: Final answer
    x = 14,228.05

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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.