Home / 18,336.78-27,480.33-9,553.68

Finding the Fourth Proportional to 18,336.78, 27,480.33 and 9,553.68

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Solution

The fourth proportional to 18,336.78, 27,480.33 and 9,553.68 is: 14,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.78 : 27,480.33 = 9,553.68 : x
  2. Step 2: Convert to fraction form
    18,336.78/27,480.33 = 9,553.68/x
  3. Step 3: Cross multiply
    18,336.78x = 27,480.33 × 9,553.68
  4. Step 4: Simplify right side
    18,336.78x = 262,538,279.11
  5. Step 5: Solve for x
    x = 262,538,279.11/18,336.78
  6. Step 6: Final answer
    x = 14,317.58

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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.