Home / 12,450.11-18,677.89-4,132.82

Finding the Fourth Proportional to 12,450.11, 18,677.89 and 4,132.82

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Solution

The fourth proportional to 12,450.11, 18,677.89 and 4,132.82 is: 6,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.11 : 18,677.89 = 4,132.82 : x
  2. Step 2: Convert to fraction form
    12,450.11/18,677.89 = 4,132.82/x
  3. Step 3: Cross multiply
    12,450.11x = 18,677.89 × 4,132.82
  4. Step 4: Simplify right side
    12,450.11x = 77,192,409.21
  5. Step 5: Solve for x
    x = 77,192,409.21/12,450.11
  6. Step 6: Final answer
    x = 6,200.14

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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.