Home / 18,215.57-27,327.20-5,739.14

Finding the Fourth Proportional to 18,215.57, 27,327.20 and 5,739.14

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Solution

The fourth proportional to 18,215.57, 27,327.20 and 5,739.14 is: 8,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.57 : 27,327.20 = 5,739.14 : x
  2. Step 2: Convert to fraction form
    18,215.57/27,327.20 = 5,739.14/x
  3. Step 3: Cross multiply
    18,215.57x = 27,327.20 × 5,739.14
  4. Step 4: Simplify right side
    18,215.57x = 156,834,461.28
  5. Step 5: Solve for x
    x = 156,834,461.28/18,215.57
  6. Step 6: Final answer
    x = 8,609.91

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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.