Home / 18,556.38-27,774.36-13,624.92

Finding the Fourth Proportional to 18,556.38, 27,774.36 and 13,624.92

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Solution

The fourth proportional to 18,556.38, 27,774.36 and 13,624.92 is: 20,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.38 : 27,774.36 = 13,624.92 : x
  2. Step 2: Convert to fraction form
    18,556.38/27,774.36 = 13,624.92/x
  3. Step 3: Cross multiply
    18,556.38x = 27,774.36 × 13,624.92
  4. Step 4: Simplify right side
    18,556.38x = 378,423,433.05
  5. Step 5: Solve for x
    x = 378,423,433.05/18,556.38
  6. Step 6: Final answer
    x = 20,393.17

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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.