Home / 18,170.36-27,217.24-8,317.92

Finding the Fourth Proportional to 18,170.36, 27,217.24 and 8,317.92

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Solution

The fourth proportional to 18,170.36, 27,217.24 and 8,317.92 is: 12,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.36 : 27,217.24 = 8,317.92 : x
  2. Step 2: Convert to fraction form
    18,170.36/27,217.24 = 8,317.92/x
  3. Step 3: Cross multiply
    18,170.36x = 27,217.24 × 8,317.92
  4. Step 4: Simplify right side
    18,170.36x = 226,390,824.94
  5. Step 5: Solve for x
    x = 226,390,824.94/18,170.36
  6. Step 6: Final answer
    x = 12,459.35

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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.