Home / 18,160.20-27,218.70-9,390.60

Finding the Fourth Proportional to 18,160.20, 27,218.70 and 9,390.60

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Solution

The fourth proportional to 18,160.20, 27,218.70 and 9,390.60 is: 14,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.20 : 27,218.70 = 9,390.60 : x
  2. Step 2: Convert to fraction form
    18,160.20/27,218.70 = 9,390.60/x
  3. Step 3: Cross multiply
    18,160.20x = 27,218.70 × 9,390.60
  4. Step 4: Simplify right side
    18,160.20x = 255,599,924.22
  5. Step 5: Solve for x
    x = 255,599,924.22/18,160.20
  6. Step 6: Final answer
    x = 14,074.73

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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.