Home / 18,255.88-27,388.38-9,933.64

Finding the Fourth Proportional to 18,255.88, 27,388.38 and 9,933.64

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Solution

The fourth proportional to 18,255.88, 27,388.38 and 9,933.64 is: 14,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.88 : 27,388.38 = 9,933.64 : x
  2. Step 2: Convert to fraction form
    18,255.88/27,388.38 = 9,933.64/x
  3. Step 3: Cross multiply
    18,255.88x = 27,388.38 × 9,933.64
  4. Step 4: Simplify right side
    18,255.88x = 272,066,307.10
  5. Step 5: Solve for x
    x = 272,066,307.10/18,255.88
  6. Step 6: Final answer
    x = 14,902.94

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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.