Home / 14,520.39-20,078.33-11,530.95

Finding the Fourth Proportional to 14,520.39, 20,078.33 and 11,530.95

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Solution

The fourth proportional to 14,520.39, 20,078.33 and 11,530.95 is: 15,944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.39 : 20,078.33 = 11,530.95 : x
  2. Step 2: Convert to fraction form
    14,520.39/20,078.33 = 11,530.95/x
  3. Step 3: Cross multiply
    14,520.39x = 20,078.33 × 11,530.95
  4. Step 4: Simplify right side
    14,520.39x = 231,522,161.66
  5. Step 5: Solve for x
    x = 231,522,161.66/14,520.39
  6. Step 6: Final answer
    x = 15,944.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.