Home / 18,268.44-27,380.58-8,894.40

Finding the Fourth Proportional to 18,268.44, 27,380.58 and 8,894.40

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Solution

The fourth proportional to 18,268.44, 27,380.58 and 8,894.40 is: 13,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.44 : 27,380.58 = 8,894.40 : x
  2. Step 2: Convert to fraction form
    18,268.44/27,380.58 = 8,894.40/x
  3. Step 3: Cross multiply
    18,268.44x = 27,380.58 × 8,894.40
  4. Step 4: Simplify right side
    18,268.44x = 243,533,830.75
  5. Step 5: Solve for x
    x = 243,533,830.75/18,268.44
  6. Step 6: Final answer
    x = 13,330.85

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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.