Home / 18,914.24-28,366.68-5,765.60

Finding the Fourth Proportional to 18,914.24, 28,366.68 and 5,765.60

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Solution

The fourth proportional to 18,914.24, 28,366.68 and 5,765.60 is: 8,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914.24 : 28,366.68 = 5,765.60 : x
  2. Step 2: Convert to fraction form
    18,914.24/28,366.68 = 5,765.60/x
  3. Step 3: Cross multiply
    18,914.24x = 28,366.68 × 5,765.60
  4. Step 4: Simplify right side
    18,914.24x = 163,550,930.21
  5. Step 5: Solve for x
    x = 163,550,930.21/18,914.24
  6. Step 6: Final answer
    x = 8,646.97

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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.