Home / 13,654.36-18,844.64-8,349.92

Finding the Fourth Proportional to 13,654.36, 18,844.64 and 8,349.92

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Solution

The fourth proportional to 13,654.36, 18,844.64 and 8,349.92 is: 11,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.36 : 18,844.64 = 8,349.92 : x
  2. Step 2: Convert to fraction form
    13,654.36/18,844.64 = 8,349.92/x
  3. Step 3: Cross multiply
    13,654.36x = 18,844.64 × 8,349.92
  4. Step 4: Simplify right side
    13,654.36x = 157,351,236.43
  5. Step 5: Solve for x
    x = 157,351,236.43/13,654.36
  6. Step 6: Final answer
    x = 11,523.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.