Home / 18,217.19-27,319.20-6,367.64

Finding the Fourth Proportional to 18,217.19, 27,319.20 and 6,367.64

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Solution

The fourth proportional to 18,217.19, 27,319.20 and 6,367.64 is: 9,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.19 : 27,319.20 = 6,367.64 : x
  2. Step 2: Convert to fraction form
    18,217.19/27,319.20 = 6,367.64/x
  3. Step 3: Cross multiply
    18,217.19x = 27,319.20 × 6,367.64
  4. Step 4: Simplify right side
    18,217.19x = 173,958,830.69
  5. Step 5: Solve for x
    x = 173,958,830.69/18,217.19
  6. Step 6: Final answer
    x = 9,549.16

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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.