Home / 18,161.76-27,235.60-7,066.92

Finding the Fourth Proportional to 18,161.76, 27,235.60 and 7,066.92

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Solution

The fourth proportional to 18,161.76, 27,235.60 and 7,066.92 is: 10,597.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.76 : 27,235.60 = 7,066.92 : x
  2. Step 2: Convert to fraction form
    18,161.76/27,235.60 = 7,066.92/x
  3. Step 3: Cross multiply
    18,161.76x = 27,235.60 × 7,066.92
  4. Step 4: Simplify right side
    18,161.76x = 192,471,806.35
  5. Step 5: Solve for x
    x = 192,471,806.35/18,161.76
  6. Step 6: Final answer
    x = 10,597.64

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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.