Home / 18,654.39-28,022.64-11,263.24

Finding the Fourth Proportional to 18,654.39, 28,022.64 and 11,263.24

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Solution

The fourth proportional to 18,654.39, 28,022.64 and 11,263.24 is: 16,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.39 : 28,022.64 = 11,263.24 : x
  2. Step 2: Convert to fraction form
    18,654.39/28,022.64 = 11,263.24/x
  3. Step 3: Cross multiply
    18,654.39x = 28,022.64 × 11,263.24
  4. Step 4: Simplify right side
    18,654.39x = 315,625,719.75
  5. Step 5: Solve for x
    x = 315,625,719.75/18,654.39
  6. Step 6: Final answer
    x = 16,919.65

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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.