Home / 18,827.20-25,998.06-11,765.68

Finding the Fourth Proportional to 18,827.20, 25,998.06 and 11,765.68

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Solution

The fourth proportional to 18,827.20, 25,998.06 and 11,765.68 is: 16,246.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.20 : 25,998.06 = 11,765.68 : x
  2. Step 2: Convert to fraction form
    18,827.20/25,998.06 = 11,765.68/x
  3. Step 3: Cross multiply
    18,827.20x = 25,998.06 × 11,765.68
  4. Step 4: Simplify right side
    18,827.20x = 305,884,854.58
  5. Step 5: Solve for x
    x = 305,884,854.58/18,827.20
  6. Step 6: Final answer
    x = 16,246.96

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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.