Home / 18,529.76-27,798.77-7,286.18

Finding the Fourth Proportional to 18,529.76, 27,798.77 and 7,286.18

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Solution

The fourth proportional to 18,529.76, 27,798.77 and 7,286.18 is: 10,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.76 : 27,798.77 = 7,286.18 : x
  2. Step 2: Convert to fraction form
    18,529.76/27,798.77 = 7,286.18/x
  3. Step 3: Cross multiply
    18,529.76x = 27,798.77 × 7,286.18
  4. Step 4: Simplify right side
    18,529.76x = 202,546,721.22
  5. Step 5: Solve for x
    x = 202,546,721.22/18,529.76
  6. Step 6: Final answer
    x = 10,930.89

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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.