Home / 18,441.64-27,638.78-11,050.28

Finding the Fourth Proportional to 18,441.64, 27,638.78 and 11,050.28

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Solution

The fourth proportional to 18,441.64, 27,638.78 and 11,050.28 is: 16,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441.64 : 27,638.78 = 11,050.28 : x
  2. Step 2: Convert to fraction form
    18,441.64/27,638.78 = 11,050.28/x
  3. Step 3: Cross multiply
    18,441.64x = 27,638.78 × 11,050.28
  4. Step 4: Simplify right side
    18,441.64x = 305,416,257.86
  5. Step 5: Solve for x
    x = 305,416,257.86/18,441.64
  6. Step 6: Final answer
    x = 16,561.23

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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.