Home / 18,025.12-27,020.10-7,202.63

Finding the Fourth Proportional to 18,025.12, 27,020.10 and 7,202.63

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Solution

The fourth proportional to 18,025.12, 27,020.10 and 7,202.63 is: 10,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.12 : 27,020.10 = 7,202.63 : x
  2. Step 2: Convert to fraction form
    18,025.12/27,020.10 = 7,202.63/x
  3. Step 3: Cross multiply
    18,025.12x = 27,020.10 × 7,202.63
  4. Step 4: Simplify right side
    18,025.12x = 194,615,684.92
  5. Step 5: Solve for x
    x = 194,615,684.92/18,025.12
  6. Step 6: Final answer
    x = 10,796.92

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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.