Home / 18,188.18-27,296.85-9,425.60

Finding the Fourth Proportional to 18,188.18, 27,296.85 and 9,425.60

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Solution

The fourth proportional to 18,188.18, 27,296.85 and 9,425.60 is: 14,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.18 : 27,296.85 = 9,425.60 : x
  2. Step 2: Convert to fraction form
    18,188.18/27,296.85 = 9,425.60/x
  3. Step 3: Cross multiply
    18,188.18x = 27,296.85 × 9,425.60
  4. Step 4: Simplify right side
    18,188.18x = 257,289,292.95
  5. Step 5: Solve for x
    x = 257,289,292.95/18,188.18
  6. Step 6: Final answer
    x = 14,145.96

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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.