Home / 18,776.21-28,164.24-4,736.27

Finding the Fourth Proportional to 18,776.21, 28,164.24 and 4,736.27

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Solution

The fourth proportional to 18,776.21, 28,164.24 and 4,736.27 is: 7,104.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776.21 : 28,164.24 = 4,736.27 : x
  2. Step 2: Convert to fraction form
    18,776.21/28,164.24 = 4,736.27/x
  3. Step 3: Cross multiply
    18,776.21x = 28,164.24 × 4,736.27
  4. Step 4: Simplify right side
    18,776.21x = 133,393,515.40
  5. Step 5: Solve for x
    x = 133,393,515.40/18,776.21
  6. Step 6: Final answer
    x = 7,104.39

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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.