Home / 18,300.12-27,451.20-5,821.14

Finding the Fourth Proportional to 18,300.12, 27,451.20 and 5,821.14

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Solution

The fourth proportional to 18,300.12, 27,451.20 and 5,821.14 is: 8,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.12 : 27,451.20 = 5,821.14 : x
  2. Step 2: Convert to fraction form
    18,300.12/27,451.20 = 5,821.14/x
  3. Step 3: Cross multiply
    18,300.12x = 27,451.20 × 5,821.14
  4. Step 4: Simplify right side
    18,300.12x = 159,797,278.37
  5. Step 5: Solve for x
    x = 159,797,278.37/18,300.12
  6. Step 6: Final answer
    x = 8,732.03

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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.