Home / 18,835.38-25,819.97-18,661.14

Finding the Fourth Proportional to 18,835.38, 25,819.97 and 18,661.14

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Solution

The fourth proportional to 18,835.38, 25,819.97 and 18,661.14 is: 25,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.38 : 25,819.97 = 18,661.14 : x
  2. Step 2: Convert to fraction form
    18,835.38/25,819.97 = 18,661.14/x
  3. Step 3: Cross multiply
    18,835.38x = 25,819.97 × 18,661.14
  4. Step 4: Simplify right side
    18,835.38x = 481,829,981.66
  5. Step 5: Solve for x
    x = 481,829,981.66/18,835.38
  6. Step 6: Final answer
    x = 25,581.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.