Home / 12,403.11-18,604.70-3,043.18

Finding the Fourth Proportional to 12,403.11, 18,604.70 and 3,043.18

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Solution

The fourth proportional to 12,403.11, 18,604.70 and 3,043.18 is: 4,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.11 : 18,604.70 = 3,043.18 : x
  2. Step 2: Convert to fraction form
    12,403.11/18,604.70 = 3,043.18/x
  3. Step 3: Cross multiply
    12,403.11x = 18,604.70 × 3,043.18
  4. Step 4: Simplify right side
    12,403.11x = 56,617,450.95
  5. Step 5: Solve for x
    x = 56,617,450.95/12,403.11
  6. Step 6: Final answer
    x = 4,564.78

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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.